diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index d7b51f9..6443cec 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -22,7 +22,6 @@ jobs:
         ref: develop
         color: true
         path: spack
-    - run: spack install --no-check-signature --reuse python
 
     - name: Find external packages
       run: |
@@ -33,6 +32,7 @@ jobs:
         spack -e tests external find --not-buildable autoconf
         spack -e tests external find --not-buildable automake
         spack -e tests external find --not-buildable pkg-config
+        spack -e tests external find --not-buildable gmake
 
     - name: Add mochi-spack-packages
       run: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index de1bd6a..c70dcb9 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -27,7 +27,6 @@ jobs:
         ref: develop
         color: true
         path: spack
-    - run: spack install --no-check-signature --reuse python
 
     - name: Find external packages
       run: |
@@ -38,6 +37,7 @@ jobs:
         spack -e tests external find --not-buildable autoconf
         spack -e tests external find --not-buildable automake
         spack -e tests external find --not-buildable pkg-config
+        spack -e tests external find --not-buildable gmake
 
     - name: Add mochi-spack-packages
       run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1145fba..8264dee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,6 @@ jobs:
         ref: develop
         color: true
         path: spack
-    - run: spack install --no-check-signature --reuse python
 
     - name: Find external packages
       run: |
@@ -34,6 +33,7 @@ jobs:
         spack -e tests external find --not-buildable autoconf
         spack -e tests external find --not-buildable automake
         spack -e tests external find --not-buildable pkg-config
+        spack -e tests external find --not-buildable gmake
 
     - name: Add mochi-spack-packages
       run: |