diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index a3709594..6fb8db46 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -42,17 +42,16 @@ jobs:
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
 
-      # This does take a minute or two to install, and we could cache
-      # it but that's not super easy while still allowing easy
-      # updating. Once things stabilise we might tag outpack server
-      # releases and then we can install and cache against that.
-      #
-      # This now hangs on macOS, will explore binary builds for the
-      # server in mrc-4515, disabling on mac now.
-      - name: setup server
-        if: runner.os != 'macOS'
-        run: |
-          cargo install --git https://github.com/mrc-ide/outpack_server --branch main --locked --features git2/vendored-libgit2
+      # Compiling outpack server from source takes a few minutes each time.
+      # This action will cache the result and re-use it on subsequent builds.
+      # The cache is keyed by Git revision, allowing us to pick up new versions
+      # of the server immediately.
+      - name: Install outpack server
+        uses: baptiste0928/cargo-install@v3
+        with:
+          crate: outpack
+          git: https://github.com/mrc-ide/outpack_server
+          features: git2/vendored-libgit2
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
diff --git a/DESCRIPTION b/DESCRIPTION
index a3e84498..26fe812d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: orderly2
 Title: Orderly Next Generation
-Version: 1.99.31
+Version: 1.99.32
 Authors@R: c(person("Rich", "FitzJohn", role = c("aut", "cre"),
                     email = "rich.fitzjohn@gmail.com"),
              person("Robert", "Ashton", role = "aut"),