diff --git a/.github/workflows/test-examples.yml b/.github/workflows/test-examples.yml
index a9b192321..4ad3ef670 100644
--- a/.github/workflows/test-examples.yml
+++ b/.github/workflows/test-examples.yml
@@ -28,7 +28,7 @@ jobs:
       run: |
         source examples_venv/bin/activate
         pip install --upgrade pip
-        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.3*
+        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.4*
         pip install ${SDK_PATH}/poptorch-*.whl
         pip install .[testing]
         pip install memory-profiler matplotlib
@@ -38,7 +38,7 @@ jobs:
         RUN_SLOW: true
       run: |
         source examples_venv/bin/activate
-        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.3*
+        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.4*
         . ${SDK_PATH}/poplar-ubuntu_20_04*/enable.sh
         . ${SDK_PATH}/popart-ubuntu_20_04*/enable.sh
         pytest tests/test_examples_match_transformers.py -v --durations=0
diff --git a/.github/workflows/test-general.yml b/.github/workflows/test-general.yml
index bb7fdafe7..63f94201c 100644
--- a/.github/workflows/test-general.yml
+++ b/.github/workflows/test-general.yml
@@ -33,7 +33,7 @@ jobs:
       run: |
         source general_venv/bin/activate
         pip install --upgrade pip
-        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.3*
+        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.4*
         pip install ${SDK_PATH}/poptorch-*.whl
         pip install .[testing]
     - name: Test with Pytest
@@ -41,7 +41,7 @@ jobs:
         POPTORCH_WAIT_FOR_IPU: 1
       run: |
         source general_venv/bin/activate
-        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.3*
+        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.4*
         . ${SDK_PATH}/poplar-ubuntu_20_04*/enable.sh
         . ${SDK_PATH}/popart-ubuntu_20_04*/enable.sh
         pytest tests/ -v -n 16 --ignore=tests/pipelines/ --ignore=tests/test_examples_match_transformers.py
diff --git a/.github/workflows/test-pipelines.yml b/.github/workflows/test-pipelines.yml
index 03011a6b5..40ddbcce1 100644
--- a/.github/workflows/test-pipelines.yml
+++ b/.github/workflows/test-pipelines.yml
@@ -28,7 +28,7 @@ jobs:
       run: |
         source pipelines_venv/bin/activate
         pip install --upgrade pip
-        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.3*
+        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.4*
         pip install ${SDK_PATH}/poptorch-*.whl
         pip install .[testing]
         pip install memory-profiler matplotlib
@@ -38,7 +38,7 @@ jobs:
         RUN_SLOW: true
       run: |
         source pipelines_venv/bin/activate
-        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.3*
+        export SDK_PATH=/opt/gc/poplar_sdk-ubuntu_20_04-3.4*
         . ${SDK_PATH}/poplar-ubuntu_20_04*/enable.sh
         . ${SDK_PATH}/popart-ubuntu_20_04*/enable.sh
         mprof run --exit-code --interval 1 --include-children --multiprocess \