diff --git a/.github/workflows/sshd-test.yml b/.github/workflows/sshd-test.yml
index b509485c..36b4c259 100644
--- a/.github/workflows/sshd-test.yml
+++ b/.github/workflows/sshd-test.yml
@@ -98,8 +98,10 @@ jobs:
           git log -3
           sudo ./run_all_sshd_tests.sh
 
+      # could use optimization with caching
       - name: Test memory after close down
         working-directory: ./wolfssh/
         run: |
+          sudo apt-get install valgrind
           touch sshd_config.txt
           sudo timeout -s 2 5 valgrind ./apps/wolfsshd/wolfsshd -D -f sshd_config.txt -h ./keys/server-key.pem -d -p 22222