diff --git a/.github/workflows/run-integration-test.yml b/.github/workflows/run-integration-test.yml
index dd45af2..28f4d7e 100644
--- a/.github/workflows/run-integration-test.yml
+++ b/.github/workflows/run-integration-test.yml
@@ -75,15 +75,11 @@ jobs:
         with:
           java-version: 11
           distribution: 'temurin'
-          cache: 'maven'
 
       - uses: actions/download-artifact@v4
         with:
           name: deps
 
-      - name: Download needed rascal-jar
-        run: mvn -B validate
-
       - name: Typecheck rascal
         run: |
           java -jar rascal/rascal.jar Main \
@@ -130,7 +126,7 @@ jobs:
           name: rascal-tpls
           path: repos
 
-      - run: ls -alh
+      - run: tree repos/
 
       - name: Typecheck rascal-libs
         run: |
diff --git a/run-all-single-thread.sh b/run-all-single-thread.sh
index ebc6cdf..d2ad411 100644
--- a/run-all-single-thread.sh
+++ b/run-all-single-thread.sh
@@ -6,5 +6,4 @@ BIG_DIR ?= '|tmp:///big/|'
 # make sure rascal.jar is present
 mvn validate
 
-# first we have to run rascal
-java -jar target/dependencies/rascal.jar Main --repoFolder "$BIG_DIR" --clean 
\ No newline at end of file
+java -jar target/dependencies/rascal.jar Main --repoFolder "$BIG_DIR" --clean
diff --git a/run-parallel-jobs.sh b/run-parallel-jobs.sh
index 03e0ad8..2489d23 100644
--- a/run-parallel-jobs.sh
+++ b/run-parallel-jobs.sh
@@ -4,9 +4,10 @@ set -eo pipefail
 
 
 CLEAN="--clean"
-BIG_DIR="${BIG_DIR:=|tmp:///big/|}"
+BIG_DIR="${BIG_DIR:=|tmp:///repo/|}"
+EXTRA_ARGS=""
 
-while getopts ":fd:" opt; do
+while getopts ":fd:r:c:t:" opt; do
   case ${opt} in
     f)
       CLEAN=""
@@ -14,11 +15,23 @@ while getopts ":fd:" opt; do
     d)
       BIG_DIR="${OPTARG}"
       ;;
+    r)
+      EXTRA_ARGS+="--rascalVersion ${OPTARG} "
+      ;;
+    c)
+      EXTRA_ARGS+="--rascalCoreVersion ${OPTARG} "
+      ;;
+    t)
+      EXTRA_ARGS+="--typepalVersion ${OPTARG} "
+      ;;
     ?)
       echo "Invalid option: -${OPTARG}."
       echo "Available: "
       echo "\t-f\tDo not remove tpls"
       echo "\t-d <loc>\tOverride location where the repositories are stored and checked"
+      echo "\t-r <loc>\tOverride location of which rascal to use (should be a jar)"
+      echo "\t-c <loc>\tOverride location of which rascal-core to use"
+      echo "\t-t <loc>\tOverride location of which typepal to use"
       exit 1
       ;;
   esac
@@ -34,7 +47,7 @@ function runChecker() {
     local name=$1
     shift
     echo "Starting $name, trail output $name.log (tail -f $name.log in different shell to check output)"
-    java -Drascal.monitor.batch -jar target/dependencies/rascal.jar Main --repoFolder "$BIG_DIR" $CLEAN --tests $@ >"$name.log" 2>&1  &
+    java -Drascal.monitor.batch -jar target/dependencies/rascal.jar Main --repoFolder "$BIG_DIR" $CLEAN $EXTRA_ARGS --tests $@ >"$name.log" 2>&1  &
 }
 
 ## first we have to run rascal
diff --git a/src/main/rascal/Main.rsc b/src/main/rascal/Main.rsc
index 7311c85..d50f8fd 100644
--- a/src/main/rascal/Main.rsc
+++ b/src/main/rascal/Main.rsc
@@ -90,8 +90,8 @@ int updateRepos(Projects projs, loc repoFolder, bool full) {
         }
         else {
             println("**** Cloning <n>");
-            checkOutput("clone", execWithCode("git", args=["clone", *( full ? [] : ["--depth", "1"]), proj.repo.uri, n], workingDir=repoFolder));
-            checkOutput("switch", execWithCode("git", args=["switch", proj.branch], workingDir=targetFolder));
+            extraArgs = full ? [] : ["--single-branch", "--branch", proj.branch, "--depth", "1"];
+            checkOutput("clone", execWithCode("git", args=["clone", *extraArgs, proj.repo.uri, n], workingDir=repoFolder));
         }
     }
     return result;
@@ -104,7 +104,7 @@ int main(
     bool printWarnings = false, // print warnings in the final overview
     bool full=true, // do a full clone
     bool clean=true, // do a clean of the to build folders
-    loc repoFolder = |cwd:///|,
+    loc repoFolder = |tmp:///repo/|,
     loc rascalVersion=|home:///.m2/repository/org/rascalmpl/rascal/0.40.7/rascal-0.40.7.jar|,
     loc typepalVersion=|home:///.m2/repository/org/rascalmpl/typepal/0.14.0/typepal-0.14.0.jar|,
     loc rascalCoreVersion=|home:///.m2/repository/org/rascalmpl/rascal-core/0.12.4/rascal-core-0.12.4.jar|,