diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1139280571450d3294ac98975620355b997a441e..811a74a9eead4273b812d9b2c25f0db433c18625 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -239,6 +239,7 @@ NSHM Tests:
       - CMD: testConus2023
       - CMD: testHawaii2021
   script:
+    - yum install procps -y
     - memory="$(free -g | awk '/^Mem:/{print $2}')";
     - export CI_RUNNER_MEMORY="$(printf "%.f" "$(echo "${memory} * 0.90" | bc)")g";
     - echo "${CI_RUNNER_MEMORY}"