diff --git a/.idea/ant.xml b/.idea/ant.xml
index a2a476982..7586e0172 100644
--- a/.idea/ant.xml
+++ b/.idea/ant.xml
@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="AntConfiguration">
-    <buildFile url="file://$PROJECT_DIR$/build.xml" />
+    <buildFile url="file://$PROJECT_DIR$/build.xml">
+      <customJdkName value="17" />
+    </buildFile>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index cb1ab9355..1c55f8bdd 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
diff --git a/.idea/runConfigurations/Openrocket_UI_Jar.xml b/.idea/runConfigurations/Openrocket_UI_Jar.xml
index 2219ccf09..45da998b1 100644
--- a/.idea/runConfigurations/Openrocket_UI_Jar.xml
+++ b/.idea/runConfigurations/Openrocket_UI_Jar.xml
@@ -2,7 +2,7 @@
   <configuration default="false" name="Openrocket UI Jar" type="JarApplication">
     <option name="JAR_PATH" value="$PROJECT_DIR$/build/jar/OpenRocket.jar" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
-    <option name="ALTERNATIVE_JRE_PATH" value="11" />
+    <option name="ALTERNATIVE_JRE_PATH" value="17" />
     <method v="2">
       <option name="BuildArtifacts" enabled="true">
         <artifact name="openrocket:jar" />