diff --git a/.github/workflows/runtests.yaml b/.github/workflows/runtests-c.yaml
similarity index 64%
rename from .github/workflows/runtests.yaml
rename to .github/workflows/runtests-c.yaml
index f19963f..d641d89 100644
--- a/.github/workflows/runtests.yaml
+++ b/.github/workflows/runtests-c.yaml
@@ -1,4 +1,4 @@
-name: runtests
+name: testing c
 
 on:
   pull_request:
@@ -6,14 +6,11 @@ on:
       - main
     paths-ignore: ['README.md', 'LICENSE', '.gitignore']
 jobs:
-  runtests:
-    strategy:
-      matrix:
-        impl: ['i386-linux-handwritten', 'c', 'python']
+  runtests-c:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
     - name: run tests
       run: |
-        make ${{ matrix.impl }}
+        make c
         ./planck < bootstrap.fs runtests.fs
diff --git a/.github/workflows/runtests-i386-linux-handwritten.yaml b/.github/workflows/runtests-i386-linux-handwritten.yaml
new file mode 100644
index 0000000..91bfc8e
--- /dev/null
+++ b/.github/workflows/runtests-i386-linux-handwritten.yaml
@@ -0,0 +1,16 @@
+name: testing i386-linux-handwritten
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths-ignore: ['README.md', 'LICENSE', '.gitignore']
+jobs:
+  runtests-i386-linux-handwritten:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: run tests
+      run: |
+        make i386-linux-handwritten
+        ./planck < bootstrap.fs runtests.fs
diff --git a/.github/workflows/runtests-python.yaml b/.github/workflows/runtests-python.yaml
new file mode 100644
index 0000000..edc3310
--- /dev/null
+++ b/.github/workflows/runtests-python.yaml
@@ -0,0 +1,16 @@
+name: testing python
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths-ignore: ['README.md', 'LICENSE', '.gitignore']
+jobs:
+  runtests-python:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: run tests
+      run: |
+        make python
+        ./planck < bootstrap.fs runtests.fs