diff --git a/.github/workflows/fortran.yml b/.github/workflows/fortran.yml
index b08b89b2..b406e4b4 100644
--- a/.github/workflows/fortran.yml
+++ b/.github/workflows/fortran.yml
@@ -20,6 +20,8 @@ jobs:
         os: [ubuntu-latest, macos-latest, macos-13]
         toolchain:
         - {compiler: gcc, version: 13}
+        - {compiler: gcc, version: 12}
+        - {compiler: gcc, version: 11}
         - {compiler: intel-classic, version: '2021.10'}
         include:
         - os: ubuntu-latest
@@ -34,14 +36,13 @@ jobs:
           toolchain: {compiler: intel, version: '2024.1'}
         - os: ubuntu-latest
           toolchain: {compiler: intel, version: '2021.1'}
-        - os: ubuntu-latest
-          toolchain: {compiler: gcc, version: 12}
-        - os: ubuntu-latest
-          toolchain: {compiler: gcc, version: 11}
         - os: ubuntu-latest
           toolchain: {compiler: gcc, version: 10}
         - os: ubuntu-latest
           toolchain: {compiler: gcc, version: 9}
+        exclude:
+        - os: ubuntu-latest
+          toolchain: {compiler: gcc, version: 13}
     runs-on: ${{ matrix.os }}
 
     steps:
diff --git a/fortran/test.f90 b/fortran/test.f90
index c61a7441..b5dedfe1 100644
--- a/fortran/test.f90
+++ b/fortran/test.f90
@@ -11,7 +11,6 @@ program test
   integer :: num_problems
 
   allocate(problem_ids(num_problems), answers(num_problems), long_runtime(num_problems))
-
   problem_ids = (/ &
     001, &
     002, &