diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 2f25391..c699e96 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -11,7 +11,7 @@ name: R-CMD-check
 jobs:
   R-CMD-check:
     runs-on: ${{ matrix.config.os }}
-    timeout-minutes: 18
+    timeout-minutes: 30
     name: ${{ matrix.config.os }} (${{ matrix.config.r }})
 
     strategy: