diff --git a/.github/workflows/docs-publish.yaml b/.github/workflows/docs-publish.yaml
index 9eff7a1bfda..557e0a05bc1 100644
--- a/.github/workflows/docs-publish.yaml
+++ b/.github/workflows/docs-publish.yaml
@@ -10,8 +10,10 @@ on:
 
 jobs:
   build:
-    # This builds and uploads the documentation site, not SpacetimeDB binaries.
-    runs-on: spacetimedb-linux-small
+    # Docusaurus exceeds the small runner's roughly 2 GiB default Node heap.
+    runs-on: spacetimedb-linux
+    env:
+      NODE_OPTIONS: --max-old-space-size=8192
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
diff --git a/.github/workflows/docs-update-llms.yaml b/.github/workflows/docs-update-llms.yaml
index b1f5525b368..ebf61e77c40 100644
--- a/.github/workflows/docs-update-llms.yaml
+++ b/.github/workflows/docs-update-llms.yaml
@@ -14,8 +14,10 @@ on:
 
 jobs:
   update-llms:
-    # This builds documentation assets and updates one generated text file.
-    runs-on: spacetimedb-linux-small
+    # This runs the same memory-intensive Docusaurus build as docs publishing.
+    runs-on: spacetimedb-linux
+    env:
+      NODE_OPTIONS: --max-old-space-size=8192
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3