diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8df42bfa..bc99bc4a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -33,7 +33,13 @@ jobs:
       matrix:
         os: [ubuntu-22.04, ubuntu-latest]
         python-version: ["3.10"]
-        hdf5-branch: ["hdf5_1_14"]  
+        hdf5-branch: ["hdf5_1_14", "develop"]  
+        include:
+          - os: ubuntu-22.04
+            compiler: [gcc-11, gcc-12]
+          
+          - os: ubuntu-latest
+            compiler: [gcc-12, gcc-13]
 
     runs-on: ${{matrix.os}}
     steps:
@@ -64,7 +70,8 @@ jobs:
           ./autogen.sh
           ./configure --prefix=${{github.workspace}}/hdf5install \
           --enable-hl --disable-threadsafe \
-          --enable-build-mode=production --enable-shared
+          --enable-build-mode=production --enable-shared \
+          CC=${{matrix.compiler}}
           make 
           make install
         shell: bash
@@ -126,7 +133,6 @@ jobs:
           pip install requests==2.31.0
 
       - name: Start HSDS
-        if: ${{ matrix.endpoint != 'http://127.0.0.1:5101'}}
         run: | 
               cd ${{github.workspace}}/hsds
               mkdir ${{github.workspace}}/hsdsdata &&
@@ -140,7 +146,6 @@ jobs:
         working-directory: ${{github.workspace}}/hsds
 
       - name: Test HSDS
-        if: ${{matrix.endpoint != 'http://127.0.0.1:5101'}}
         run: |
               python tests/integ/setup_test.py
         working-directory: ${{github.workspace}}/hsds
@@ -163,6 +168,12 @@ jobs:
         os: [ubuntu-22.04, ubuntu-latest]
         python-version: ["3.10"]
         hdf5-branch: ["hdf5_1_14", "develop"]  
+        include:
+          - os: ubuntu-22.04
+            compiler: [gcc-11, gcc-12]
+          
+          - os: ubuntu-latest
+            compiler: [gcc-12, gcc-13]
 
     runs-on: ${{matrix.os}}
     steps:
@@ -206,6 +217,7 @@ jobs:
           cd ./build
           CFLAGS="-D_POSIX_C_SOURCE=200809L" cmake -G "Unix Makefiles" -DHDF5_ROOT=${{github.workspace}}/hdf5install \
           -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/vol-rest/install \
+          -DCMAKE_C_COMPILER=${{matrix.compiler}} \
           ..
         shell: bash
         working-directory: ${{github.workspace}}/vol-rest
@@ -258,7 +270,6 @@ jobs:
           pip install requests==2.31.0
 
       - name: Start HSDS
-        if: ${{ matrix.endpoint != 'http://127.0.0.1:5101'}}
         run: | 
             cd ${{github.workspace}}/hsds
             mkdir ${{github.workspace}}/hsdsdata &&
@@ -272,7 +283,6 @@ jobs:
         working-directory: ${{github.workspace}}/hsds
 
       - name: Test HSDS
-        if: ${{matrix.endpoint != 'http://127.0.0.1:5101'}}
         run: |
               python tests/integ/setup_test.py
         working-directory: ${{github.workspace}}/hsds