diff --git a/.github/workflows/integ-test-cache-cleanup.yml b/.github/workflows/integ-test-cache-cleanup.yml
index fc6f42e..2b9d691 100644
--- a/.github/workflows/integ-test-cache-cleanup.yml
+++ b/.github/workflows/integ-test-cache-cleanup.yml
@@ -34,7 +34,7 @@ jobs:
         cache-read-only: false # For testing, allow writing cache entries on non-default branches
     - name: Build with 3.1
       working-directory: test/jest/resources/cache-cleanup
-      run: gradle --no-daemon --build-cache -Dcommons_math3_version=3.1 build
+      run: gradle --no-daemon --build-cache -Dcommons_math3_version="3.1" build
 
   # Second build will use the cache from the first build, but cleanup should remove unused artifacts
   assemble-build:
@@ -55,7 +55,7 @@ jobs:
         gradle-home-cache-cleanup: true
     - name: Build with 3.1.1
       working-directory: test/jest/resources/cache-cleanup
-      run: gradle --no-daemon --build-cache -Dcommons_math3_version=3.1.1 build
+      run: gradle --no-daemon --build-cache -Dcommons_math3_version="3.1.1" build
 
   check-clean-cache:
     needs: assemble-build
@@ -75,6 +75,7 @@ jobs:
     - name: Report Gradle User Home
       run: du -hc ~/.gradle/caches/modules-2
     - name: Verify cleaned cache
+      shell: bash
       run: |
         if [ ! -e ~/.gradle/caches/modules-2/files-2.1/org.apache.commons/commons-math3/3.1.1 ]; then
           echo "::error ::Should find commons-math3 3.1.1 in cache"
diff --git a/test/jest/cache-cleanup.test.ts b/test/jest/cache-cleanup.test.ts
index 28c39cd..bd504cf 100644
--- a/test/jest/cache-cleanup.test.ts
+++ b/test/jest/cache-cleanup.test.ts
@@ -63,17 +63,17 @@ test('will cleanup unused gradle versions', async () => {
 })
 
 async function runGradleBuild(projectRoot: string, args: string, version: string = '3.1'): Promise<void> {
-    const status31 = await exec.exec(`gradle -g HOME --no-daemon --build-cache -Dcommons_math3_version=${version} ${args}`, [], {
+    const status31 = await exec.exec(`gradle -g HOME --no-daemon --build-cache -Dcommons_math3_version="${version}" ${args}`, [], {
         cwd: projectRoot
     })
     console.log(`Gradle User Home initialized with commons_math3_version=${version} ${args}`)
 }
 
 async function runGradleWrapperBuild(projectRoot: string, args: string, version: string = '3.1'): Promise<void> {
-    const status31 = await exec.exec(`./gradlew -g HOME --no-daemon --build-cache -Dcommons_math3_version=${version} ${args}`, [], {
+    const status31 = await exec.exec(`./gradlew -g HOME --no-daemon --build-cache -Dcommons_math3_version="${version}" ${args}`, [], {
         cwd: projectRoot
     })
-    console.log(`Gradle User Home initialized with commons_math3_version=${version} ${args}`)
+    console.log(`Gradle User Home initialized with commons_math3_version="${version}" ${args}`)
 }
 
 function prepareTestProject(): string {