diff --git a/.github/workflows/test-in-implementations.yml b/.github/workflows/test-in-implementations.yml
index 8bad8c4..a33975e 100644
--- a/.github/workflows/test-in-implementations.yml
+++ b/.github/workflows/test-in-implementations.yml
@@ -3,8 +3,8 @@ name: test-in-implementations
 on: [push]
 
 env:
-  SBCL_DOWNLOAD_URL: https://prdownloads.sourceforge.net/sbcl/sbcl-2.1.1-x86-64-linux-binary.tar.bz2
-  ECL_DOWNLOAD_URL:
+  SBCL_DOWNLOAD_URL: https://prdownloads.sourceforge.net/sbcl/sbcl-2.3.11-x86-64-linux-binary.tar.bz2
+  ECL_DOWNLOAD_URL: https://github.com/ecl/ecl/releases/download/ecl-1.4.14/ecl.tgz
   CCL_DOWNLOAD_URL: https://github.com/Clozure/ccl/releases/download/v1.12/ccl-1.12-linuxx86.tar.gz
 
   CL_LAUNCH_DOWNLOAD_URL: https://github.com/fare/cl-launch/raw/master/cl-launch.sh
@@ -51,7 +51,7 @@ jobs:
             && (steps.ecl-cache.outputs.cache-hit != 'true')
         working-directory: /tmp
         run: |
-          curl -L https://github.com/ecl/ecl/releases/download/ecl-1.4.14/ecl.tgz | tar -xz
+          curl -L "${ECL_DOWNLOAD_URL}" | tar -xz
           mv ecl ecl-src
           cd ecl-src
           ./configure --prefix=/tmp/ecl/
@@ -83,7 +83,7 @@ jobs:
 
           echo "SBCL=/tmp/sbcl/bin/sbcl" >> ~/.cl-launchrc
           echo "ECL=/tmp/ecl/bin/ecl" >> ~/.cl-launchrc
-          echo CCL=/tmp/ccl/lx86cl64 >> ~/.cl-launchrc
+          echo "CCL=/tmp/ccl/lx86cl64" >> ~/.cl-launchrc
 
       - name: install quicklisp
         run: |