diff --git a/.gitignore b/.gitignore
index 5ff6309..a879ee7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ target/
 !**/src/test/**/target/
 
 ### IntelliJ IDEA ###
+.idea/
 .idea/modules.xml
 .idea/jarRepositories.xml
 .idea/compiler.xml
diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 13566b8..0000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
diff --git a/.idea/discord.xml b/.idea/discord.xml
deleted file mode 100644
index d8e9561..0000000
--- a/.idea/discord.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="DiscordProjectSettings">
-    <option name="show" value="PROJECT_FILES" />
-    <option name="description" value="" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
deleted file mode 100644
index aa00ffa..0000000
--- a/.idea/encodings.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding">
-    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
-    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
deleted file mode 100644
index 869c305..0000000
--- a/.idea/inspectionProfiles/Project_Default.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<component name="InspectionProjectProfileManager">
-  <profile version="1.0">
-    <option name="myName" value="Project Default" />
-    <inspection_tool class="AutoCloseableResource" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="METHOD_MATCHER_CONFIG" value="java.util.Formatter,format,java.io.Writer,append,com.google.common.base.Preconditions,checkNotNull,org.hibernate.Session,close,java.io.PrintWriter,printf,java.io.PrintStream,printf,java.net.http.HttpClient,newHttpClient" />
-    </inspection_tool>
-  </profile>
-</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 04e2e4d..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </list>
-    </option>
-    <option name="ignoredFiles">
-      <set>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </set>
-    </option>
-    <option name="workspaceImportForciblyTurnedOn" value="true" />
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-21" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index aa92a88..e07cc5d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>dev.marcsync</groupId>
     <artifactId>marcsync-java-client</artifactId>
-    <version>0.1.0</version>
+    <version>1.0.0</version>
 
     <name>marcsync-java-client</name>
     <description>Java client for the MarcSync API</description>
@@ -30,8 +30,8 @@
 
     <properties>
         <gpg.skip>true</gpg.skip>
-        <maven.compiler.source>21</maven.compiler.source>
-        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>