diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6f846403e..51d95c759 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,6 +28,7 @@ build_16_5:
     - echo "Building 1.16.5..."
     - ./gradlew deleteMerged -PmcVer="1.16.5" --gradle-user-home cache/;
     - ./gradlew clean -PmcVer="1.16.5" --gradle-user-home cache/;
+    - ./gradlew core:build -PmcVer="1.16.5" --gradle-user-home cache/;
     - ./gradlew build -PmcVer="1.16.5" --gradle-user-home cache/;
     - ./gradlew mergeJars -PmcVer="1.16.5" --gradle-user-home cache/;
   image: eclipse-temurin:17
@@ -52,6 +53,7 @@ build_17_1:
     - echo "Building 1.17.1..."
     - ./gradlew deleteMerged -PmcVer="1.17.1" --gradle-user-home cache/;
     - ./gradlew clean -PmcVer="1.17.1" --gradle-user-home cache/;
+    - ./gradlew core:build -PmcVer="1.17.7" --gradle-user-home cache/;
     - ./gradlew build -PmcVer="1.17.1" --gradle-user-home cache/;
     - ./gradlew mergeJars -PmcVer="1.17.1" --gradle-user-home cache/;
   image: eclipse-temurin:17
@@ -77,6 +79,7 @@ build_18_1:
     - echo "Building 1.18.1..."
     - ./gradlew deleteMerged -PmcVer="1.18.1" --gradle-user-home cache/; # make sure any previously merged jars are removed before running this job
     - ./gradlew clean -PmcVer="1.18.1" --gradle-user-home cache/;
+    - ./gradlew core:build -PmcVer="1.18.1" --gradle-user-home cache/;
     - ./gradlew build -PmcVer="1.18.1" --gradle-user-home cache/;
     - ./gradlew mergeJars -PmcVer="1.18.1" --gradle-user-home cache/;
   # build using Java 17
@@ -103,6 +106,7 @@ build_18_2:
     - echo "Building 1.18.2..."
     - ./gradlew deleteMerged -PmcVer="1.18.2" --gradle-user-home cache/;
     - ./gradlew clean -PmcVer="1.18.2" --gradle-user-home cache/;
+    - ./gradlew core:build -PmcVer="1.18.2" --gradle-user-home cache/;
     - ./gradlew build -PmcVer="1.18.2" --gradle-user-home cache/;
     - ./gradlew mergeJars -PmcVer="1.18.2" --gradle-user-home cache/;
   image: eclipse-temurin:17
@@ -127,6 +131,7 @@ build_19:
     - echo "Building 1.19..."
     - ./gradlew deleteMerged -PmcVer="1.19" --gradle-user-home cache/;
     - ./gradlew clean -PmcVer="1.19" --gradle-user-home cache/;
+    - ./gradlew core:build -PmcVer="1.19" --gradle-user-home cache/;
     - ./gradlew build -PmcVer="1.19" --gradle-user-home cache/;
     - ./gradlew mergeJars -PmcVer="1.19" --gradle-user-home cache/;
   image: eclipse-temurin:17
diff --git a/winAutoBuild.bat b/winAutoBuild.bat
index bb2ed159c..ffc29a113 100644
--- a/winAutoBuild.bat
+++ b/winAutoBuild.bat
@@ -11,6 +11,7 @@ EXIT /B %ERRORLEVEL%
 :buildVersion
 @echo on
 call ./gradlew.bat clean -PmcVer="%~1" --no-daemon
+call ./gradlew.bat core:build -PmcVer="%~1" --no-daemon
 call ./gradlew.bat build -PmcVer="%~1" --no-daemon
 call ./gradlew.bat mergeJars -PmcVer="%~1" --no-daemon
 @echo off