diff --git a/.github/workflows/dendrite.yml b/.github/workflows/dendrite.yml
index f7285c136..3dda614b7 100644
--- a/.github/workflows/dendrite.yml
+++ b/.github/workflows/dendrite.yml
@@ -312,6 +312,7 @@ jobs:
       image: matrixdotorg/sytest-dendrite:latest
       volumes:
         - ${{ github.workspace }}:/src
+        - ${{ github.workspace }}/sytest:/sytest
         - /root/.cache/go-build:/github/home/.cache/go-build
         - /root/.cache/go-mod:/gopath/pkg/mod
       env:
@@ -321,6 +322,12 @@ jobs:
         CGO_ENABLED: ${{ matrix.cgo && 1 }}
     steps:
       - uses: actions/checkout@v3
+      - name: Checkout matrix-org/sytest:dendrite
+        uses: actions/checkout@v3
+        with:
+          path: sytest
+          repository: matrix-org/sytest
+          ref: dendrite
       - uses: actions/cache@v3
         with:
           path: |
diff --git a/.github/workflows/schedules.yaml b/.github/workflows/schedules.yaml
index 1e4592383..eeb2485e1 100644
--- a/.github/workflows/schedules.yaml
+++ b/.github/workflows/schedules.yaml
@@ -34,13 +34,30 @@ jobs:
       image: matrixdotorg/sytest-dendrite:latest
       volumes:
         - ${{ github.workspace }}:/src
+        - ${{ github.workspace }}/sytest:/sytest
+        - /root/.cache/go-build:/github/home/.cache/go-build
+        - /root/.cache/go-mod:/gopath/pkg/mod
       env:
         POSTGRES: ${{ matrix.postgres && 1}}
         API: ${{ matrix.api && 1 }}
         SYTEST_BRANCH: ${{ github.head_ref }}
         RACE_DETECTION: 1
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+      - name: Checkout matrix-org/sytest:dendrite
+        uses: actions/checkout@v3
+        with:
+          path: sytest
+          repository: matrix-org/sytest
+          ref: dendrite
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/go-build
+            /gopath/pkg/mod
+          key: ${{ runner.os }}-go-sytest-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-sytest-
       - name: Run Sytest
         run: /bootstrap.sh dendrite
         working-directory: /src