diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index 4ae6085..7d2b5da 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -62,7 +62,7 @@ jobs:
         cmake --build em-build-dependencies --config=Release
         
         git clone https://github.com/copasi/COPASI
-        cd COPASI && git checkout release/Version-4.43 && cd ..
+        cd COPASI && git checkout release/Version-4.44 && cd ..
         cd COPASI && gitTools/UpdateCopasiVersion --force && cd ..
         
         cp COPASI/copasi/lapack/f2c.h em-dependencies/include 
diff --git a/.github/workflows/test-cpp-api.yml b/.github/workflows/test-cpp-api.yml
index c1bdc4d..e20fc56 100644
--- a/.github/workflows/test-cpp-api.yml
+++ b/.github/workflows/test-cpp-api.yml
@@ -51,8 +51,8 @@ jobs:
         cmake --build build-dependencies --config=${{env.BUILD_TYPE}}
 
         git clone https://github.com/copasi/COPASI
+        cd COPASI && git checkout release/Version-4.44 && cd ..
         cd COPASI && gitTools/UpdateCopasiVersion --force && cd ..
-        cd COPASI && git checkout release/Version-4.43 && cd ..
 
         cp COPASI/copasi/lapack/f2c.h dependencies/include 
         cp COPASI/copasi/lapack/blaswrap.h dependencies/include
@@ -61,13 +61,10 @@ jobs:
                 -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} \
                 -DBUILD_GUI=OFF \
                 -DENABLE_JIT:BOOL=OFF \
-                -DDATAVALUE_NEEDS_SIZE_T_MEMBERS=0 \
                 -DCOPASI_INSTALL_C_API=ON \
                 -DCMAKE_INSTALL_PREFIX=dependencies \
                 -DCOPASI_DEPENDENCY_DIR=dependencies \
-                -DCMAKE_PREFIX_PATH=dependencies \
-                -DF2C_INTEGER=long \
-                -DF2C_LOGICAL=long
+                -DCMAKE_PREFIX_PATH=dependencies
 
         cmake --build ${{github.workspace}}/build-copasi --config=${{env.BUILD_TYPE}}
         cmake --install ${{github.workspace}}/build-copasi --config=${{env.BUILD_TYPE}}
@@ -85,7 +82,7 @@ jobs:
       # ctest -C ${{env.BUILD_TYPE}} -VV --rerun-failed --output-on-failure
       working-directory: ${{github.workspace}}/build
       run: |
-        ./copasijs_test -s "~[slow]~[sbml]"
+        ./copasijs_test -s