diff --git a/.idea/artifacts/openrocket_jar.xml b/.idea/artifacts/openrocket_jar.xml
index 7d3ff7107..a16c14544 100644
--- a/.idea/artifacts/openrocket_jar.xml
+++ b/.idea/artifacts/openrocket_jar.xml
@@ -31,7 +31,7 @@
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/jogl-all-natives-windows-amd64.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/swing/lib/jogl/jogl-all-natives-windows-i586.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/annotation-detector-3.0.5.jar" path-in-jar="/" />
-      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guice-4.2.1.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guice-4.2.3-no_aop.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/guava-26.0-jre.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/opencsv-4.3.2.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/core/lib/slf4j-api-1.7.30.jar" path-in-jar="/" />
diff --git a/core/.classpath b/core/.classpath
index 163c5b1c5..7941ba5c1 100644
--- a/core/.classpath
+++ b/core/.classpath
@@ -19,7 +19,7 @@
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.30.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Test Libraries/test-plugin.jar"/>
 	<classpathentry kind="lib" path="lib/annotation-detector-3.0.5.jar"/>
-	<classpathentry kind="lib" path="lib/guice-4.2.1.jar"/>
+	<classpathentry kind="lib" path="lib/guice-4.2.3-no_aop.jar"/>
 	<classpathentry kind="lib" path="lib/logback-classic-1.2.3.jar"/>
 	<classpathentry kind="lib" path="lib/logback-core-1.2.3.jar"/>
 	<classpathentry kind="lib" path="lib/opencsv-4.3.2.jar"/>
diff --git a/core/OpenRocket Core.iml b/core/OpenRocket Core.iml
index b09b9bb82..a8c052fd8 100644
--- a/core/OpenRocket Core.iml	
+++ b/core/OpenRocket Core.iml	
@@ -128,7 +128,7 @@
     <orderEntry type="module-library">
       <library>
         <CLASSES>
-          <root url="jar://$MODULE_DIR$/lib/guice-4.2.1.jar!/" />
+          <root url="jar://$MODULE_DIR$/lib/guice-4.2.3-no_aop.jar!/" />
         </CLASSES>
         <JAVADOC />
         <SOURCES />
@@ -261,4 +261,4 @@
       </library>
     </orderEntry>
   </component>
-</module>
\ No newline at end of file
+</module>
diff --git a/core/lib/guice-4.2.1.jar b/core/lib/guice-4.2.1.jar
deleted file mode 100644
index 91ed389ab..000000000
Binary files a/core/lib/guice-4.2.1.jar and /dev/null differ
diff --git a/core/lib/guice-4.2.3-no_aop.jar b/core/lib/guice-4.2.3-no_aop.jar
new file mode 100644
index 000000000..811d7793a
Binary files /dev/null and b/core/lib/guice-4.2.3-no_aop.jar differ
diff --git a/swing/.classpath b/swing/.classpath
index 2c99a421f..24ceba058 100644
--- a/swing/.classpath
+++ b/swing/.classpath
@@ -22,7 +22,7 @@
 	<classpathentry kind="lib" path="lib/rsyntaxtextarea-2.5.6.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Test Libraries/test-plugin.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Core/lib/annotation-detector-3.0.5.jar"/>
-	<classpathentry kind="lib" path="/OpenRocket Core/lib/guice-4.2.1.jar"/>
+	<classpathentry kind="lib" path="/OpenRocket Core/lib/guice-4.2.3-no_aop.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Core/lib/logback-classic-1.2.3.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Core/lib/logback-core-1.2.3.jar"/>
 	<classpathentry kind="lib" path="/OpenRocket Test Libraries/hamcrest-core-1.3.jar"/>
diff --git a/swing/OpenRocket Swing.iml b/swing/OpenRocket Swing.iml
index 18aa7a5ea..d95de30ef 100644
--- a/swing/OpenRocket Swing.iml	
+++ b/swing/OpenRocket Swing.iml	
@@ -172,15 +172,6 @@
         <SOURCES />
       </library>
     </orderEntry>
-    <orderEntry type="module-library">
-      <library>
-        <CLASSES>
-          <root url="jar://$MODULE_DIR$/../core/lib/guice-4.2.1.jar!/" />
-        </CLASSES>
-        <JAVADOC />
-        <SOURCES />
-      </library>
-    </orderEntry>
     <orderEntry type="module-library">
       <library>
         <CLASSES>
@@ -245,5 +236,14 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../core/lib/guice-4.2.3-no_aop.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
-</module>
\ No newline at end of file
+</module>
diff --git a/swing/build.xml b/swing/build.xml
index f790ac82e..d74eba620 100644
--- a/swing/build.xml
+++ b/swing/build.xml
@@ -93,7 +93,7 @@
 			<zipfileset src="${core.dir}/build/jar/OpenRocket-Core.jar" />
 			<zipfileset src="${lib.dir}/miglayout-4.0-swing.jar" />
 			<zipfileset src="${core.dir}/lib/guava-26.0-jre.jar" />
-			<zipfileset src="${core.dir}/lib/guice-4.2.1.jar" />
+			<zipfileset src="${core.dir}/lib/guice-4.2.3-no_aop.jar" />
 			<zipfileset src="${core.dir}/lib/aopalliance.jar"/>
 			<zipfileset src="${core.dir}/lib/script-api-1.0.jar"/>
 			<zipfileset src="${lib.dir}/iText-5.0.2.jar"/>