diff --git a/README.md b/README.md
index aa766b0..2857249 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ for Maven
 <dependency>
     <groupId>me.bvn13.openfeign.logger</groupId>
     <artifactId>feign-normalized-logger</artifactId>
-    <version>0.1.4</version>
+    <version>0.2.1</version>
 </dependency>
 ```
 
diff --git a/logger-testing/pom.xml b/logger-testing/pom.xml
index 552a38b..b5b9e03 100644
--- a/logger-testing/pom.xml
+++ b/logger-testing/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>me.bvn13.openfeign.logger</groupId>
         <artifactId>feign-normalized-logger</artifactId>
-        <version>0.1.5-SNAPSHOT</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>me.bvn13.openfeign.logger</groupId>
             <artifactId>feign-normalized-logger</artifactId>
-            <version>0.1.4</version>
+            <version>0.2.1-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/logger/pom.xml b/logger/pom.xml
index 8f40c97..d705ad0 100644
--- a/logger/pom.xml
+++ b/logger/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>me.bvn13.openfeign.logger</groupId>
         <artifactId>feign-normalized-logger</artifactId>
-        <version>0.1.5-SNAPSHOT</version>
+        <version>0.2.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -32,4 +32,145 @@
         </dependency>
     </dependencies>
 
+    <distributionManagement>
+        <repository>
+            <id>internal.repo</id>
+            <name>Temporary Staging Repository</name>
+            <url>file://${project.build.directory}/mvn-repo</url>
+        </repository>
+    </distributionManagement>
+
+    <build>
+        <finalName>feign-normalized-logger</finalName>
+
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-source-plugin</artifactId>
+                    <executions>
+                        <execution>
+                            <id>attach-sources</id>
+                            <goals>
+                                <goal>jar-no-fork</goal>
+                            </goals>
+                        </execution>
+                    </executions>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>${maven-surefire-plugin.version}</version>
+                </plugin>
+                <plugin>
+                    <groupId>com.amashchenko.maven.plugin</groupId>
+                    <artifactId>gitflow-maven-plugin</artifactId>
+                    <version>${gitflow-maven-plugin.version}</version>
+                    <configuration>
+                        <pushRemote>false</pushRemote>
+                        <gitFlowConfig>
+                            <developmentBranch>develop</developmentBranch>
+                        </gitFlowConfig>
+                        <incrementVersionAtFinish>true</incrementVersionAtFinish>
+                        <versionDigitToIncrement>2</versionDigitToIncrement>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-source-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>attach-sources</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>jar-no-fork</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-javadoc-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>attach-javadocs</id>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-deploy-plugin</artifactId>
+                        <version>${maven-deploy-plugin.version}</version>
+                        <configuration>
+                            <skip>true</skip>
+                        </configuration>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.sonatype.plugins</groupId>
+                        <artifactId>nexus-staging-maven-plugin</artifactId>
+                        <version>${nexus-staging-maven-plugin.version}</version>
+                        <extensions>true</extensions>
+                        <executions>
+                            <execution>
+                                <id>default-deploy</id>
+                                <phase>deploy</phase>
+                                <goals>
+                                    <goal>deploy</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                        <configuration>
+                            <serverId>ossrh</serverId>
+                            <nexusUrl>${nexus.url}</nexusUrl>
+                            <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                        </configuration>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>${maven-gpg-plugin.version}</version>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+
+            <distributionManagement>
+                <snapshotRepository>
+                    <id>ossrh</id>
+                    <url>${nexus.url}/content/repositories/snapshots</url>
+                </snapshotRepository>
+                <repository>
+                    <id>ossrh</id>
+                    <url>${nexus.url}/service/local/staging/deploy/maven2/</url>
+                </repository>
+            </distributionManagement>
+
+            <pluginRepositories>
+                <pluginRepository>
+                    <id>jcenter</id>
+                    <name>JCenter</name>
+                    <url>https://jcenter.bintray.com/</url>
+                </pluginRepository>
+            </pluginRepositories>
+        </profile>
+    </profiles>
+
 </project>
\ No newline at end of file
diff --git a/logger/src/main/java/me/bvn13/openfeign/logger/normalized/NormalizedFeignLogger.java b/logger/src/main/java/me/bvn13/openfeign/logger/normalized/NormalizedFeignLogger.java
index 255f3ac..ea32315 100644
--- a/logger/src/main/java/me/bvn13/openfeign/logger/normalized/NormalizedFeignLogger.java
+++ b/logger/src/main/java/me/bvn13/openfeign/logger/normalized/NormalizedFeignLogger.java
@@ -6,6 +6,7 @@ import org.slf4j.LoggerFactory;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
@@ -69,16 +70,16 @@ public class NormalizedFeignLogger extends feign.Logger {
 
     private void init() {
         if (isResponse.get() == null) {
-            isResponse.set(new ConcurrentHashMap<>());
+            isResponse.set(new HashMap<>());
         }
         if (methodName.get() == null) {
-            methodName.set(new ConcurrentHashMap<>());
+            methodName.set(new HashMap<>());
         }
         if (logsRequest.get() == null) {
-            logsRequest.set(new ConcurrentHashMap<>());
+            logsRequest.set(new HashMap<>());
         }
         if (logsResponse.get() == null) {
-            logsResponse.set(new ConcurrentHashMap<>());
+            logsResponse.set(new HashMap<>());
         }
     }
 
diff --git a/pom.xml b/pom.xml
index 24fa613..dad775b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
     <groupId>me.bvn13.openfeign.logger</groupId>
     <artifactId>feign-normalized-logger</artifactId>
-    <version>0.1.5-SNAPSHOT</version>
+    <version>0.2.1-SNAPSHOT</version>
 
     <modules>
         <module>logger</module>
@@ -55,51 +55,6 @@
         <httpclient.version>4.5.13</httpclient.version>
     </properties>
 
-    <distributionManagement>
-        <repository>
-            <id>internal.repo</id>
-            <name>Temporary Staging Repository</name>
-            <url>file://${project.build.directory}/mvn-repo</url>
-        </repository>
-    </distributionManagement>
-
-    <build>
-        <finalName>feign-normalized-logger</finalName>
-
-        <pluginManagement>
-            <plugins>
-                <plugin>
-                    <artifactId>maven-source-plugin</artifactId>
-                    <executions>
-                        <execution>
-                            <id>attach-sources</id>
-                            <goals>
-                                <goal>jar-no-fork</goal>
-                            </goals>
-                        </execution>
-                    </executions>
-                </plugin>
-                <plugin>
-                    <artifactId>maven-surefire-plugin</artifactId>
-                    <version>${maven-surefire-plugin.version}</version>
-                </plugin>
-                <plugin>
-                    <groupId>com.amashchenko.maven.plugin</groupId>
-                    <artifactId>gitflow-maven-plugin</artifactId>
-                    <version>${gitflow-maven-plugin.version}</version>
-                    <configuration>
-                        <pushRemote>false</pushRemote>
-                        <gitFlowConfig>
-                            <developmentBranch>develop</developmentBranch>
-                        </gitFlowConfig>
-                        <incrementVersionAtFinish>true</incrementVersionAtFinish>
-                        <versionDigitToIncrement>2</versionDigitToIncrement>
-                    </configuration>
-                </plugin>
-            </plugins>
-        </pluginManagement>
-    </build>
-
     <developers>
         <developer>
             <id>bvn13</id>
@@ -118,100 +73,4 @@
         <url>https://github.com/bvn13/OpenFeign-NormalizedLogger.git</url>
     </scm>
 
-    <profiles>
-        <profile>
-            <id>release</id>
-            <build>
-                <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-source-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <id>attach-sources</id>
-                                <phase>verify</phase>
-                                <goals>
-                                    <goal>jar-no-fork</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-javadoc-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <id>attach-javadocs</id>
-                                <goals>
-                                    <goal>jar</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-deploy-plugin</artifactId>
-                        <version>${maven-deploy-plugin.version}</version>
-                        <configuration>
-                            <skip>true</skip>
-                        </configuration>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.sonatype.plugins</groupId>
-                        <artifactId>nexus-staging-maven-plugin</artifactId>
-                        <version>${nexus-staging-maven-plugin.version}</version>
-                        <extensions>true</extensions>
-                        <executions>
-                            <execution>
-                                <id>default-deploy</id>
-                                <phase>deploy</phase>
-                                <goals>
-                                    <goal>deploy</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                        <configuration>
-                            <serverId>ossrh</serverId>
-                            <nexusUrl>${nexus.url}</nexusUrl>
-                            <autoReleaseAfterClose>true</autoReleaseAfterClose>
-                        </configuration>
-                    </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-gpg-plugin</artifactId>
-                        <version>${maven-gpg-plugin.version}</version>
-                        <executions>
-                            <execution>
-                                <id>sign-artifacts</id>
-                                <phase>verify</phase>
-                                <goals>
-                                    <goal>sign</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-                </plugins>
-            </build>
-
-            <distributionManagement>
-                <snapshotRepository>
-                    <id>ossrh</id>
-                    <url>${nexus.url}/content/repositories/snapshots</url>
-                </snapshotRepository>
-                <repository>
-                    <id>ossrh</id>
-                    <url>${nexus.url}/service/local/staging/deploy/maven2/</url>
-                </repository>
-            </distributionManagement>
-
-            <pluginRepositories>
-                <pluginRepository>
-                    <id>jcenter</id>
-                    <name>JCenter</name>
-                    <url>https://jcenter.bintray.com/</url>
-                </pluginRepository>
-            </pluginRepositories>
-        </profile>
-    </profiles>
-
 </project>
\ No newline at end of file