diff --git a/.github/workflows/upload.yaml b/.github/workflows/upload.yaml
index 497ce6d..40d62a3 100644
--- a/.github/workflows/upload.yaml
+++ b/.github/workflows/upload.yaml
@@ -22,7 +22,7 @@ jobs:
     - name: Enable Corepack
       run: |
         corepack enable
-        corepack prepare yarn@4.12.0 --activate
+        corepack prepare yarn@4.18.0 --activate
         yarn --version
 
     - uses: calcit-lang/setup-calcit@v1
diff --git a/package.json b/package.json
index fed5037..3fbd558 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "packageManager": "yarn@4.12.0",
+  "packageManager": "yarn@4.18.0",
   "dependencies": {
     "@calcit/procs": "0.18.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 868a170..9574ed1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,7 +2,7 @@
 # Manual changes might be lost - proceed with caution!
 
 __metadata:
-  version: 8
+  version: 10
   cacheKey: 10c0
 
 "@calcit/procs@npm:0.18.1":