diff --git a/docs/release_script.sh b/docs/release_script.sh
index 84e69c6..e967879 100755
--- a/docs/release_script.sh
+++ b/docs/release_script.sh
@@ -129,7 +129,7 @@ mkdir -p "$basedir/.gradle"
 releasenotes="$basedir/.gradle/releasenotes.md"
 
 echo Building release notes
-echo "**Full Changelog**: https://github.com/nea89o/Firmament/compare/$oldversion...$newversion" > "$releasenotes"
+echo "**Full Changelog**: <https://github.com/nea89o/Firmament/compare/$oldversion...$newversion>" > "$releasenotes"
 echo >> "$releasenotes"
 git log --pretty='- %s' --grep '[no changelog]' --invert-grep --fixed-strings "$oldversion..$newversion" | tac >> "$releasenotes"
 echo >> "$releasenotes"
@@ -142,6 +142,7 @@ echo Press Enter to resume
 read
 
 echo Building JAR
+"$basedir"/gradlew --stop
 "$basedir"/gradlew clean build
 
 echo Release notes:
diff --git a/shell.nix b/shell.nix
index 865c75c..dbbeb28 100644
--- a/shell.nix
+++ b/shell.nix
@@ -11,10 +11,12 @@ pkgs.mkShell {
     reuse
     pre-commit
     glfw
+    jdk21
     libGL
   ];
   shellHook = ''
     export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.glfw}/lib"
     export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.libGL}/lib"
+    export JAVA_HOME=${pkgs.jdk21}
   '';
 }