diff --git a/.cirrus.yml b/.cirrus.yml
index b29dddc34849..33f51a0a5024 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -13,7 +13,7 @@ env:
 task:
   timeout_in: 120m
   install_script:
-  - pkg install -y llvm11
+  - pkg install -y llvm12
   setup_script:
   - uname -a
   - df -m
@@ -21,7 +21,7 @@ task:
   - mkdir -p /usr/obj/$(pwd -P)
   - chown user:user /usr/obj/$(pwd -P)
   script:
-  - su user -c "make -j$(sysctl -n hw.ncpu) CROSS_TOOLCHAIN=llvm11 WITHOUT_TOOLCHAIN=yes buildworld buildkernel"
+  - su user -c "make -j$(sysctl -n hw.ncpu) CROSS_TOOLCHAIN=llvm12 WITHOUT_TOOLCHAIN=yes buildworld buildkernel"
   post_script:
   - df -m
   - du -m -s /usr/obj