diff --git a/.github/workflows/nail.yml b/.github/workflows/nail.yml
index 51477dfe..dd4799eb 100644
--- a/.github/workflows/nail.yml
+++ b/.github/workflows/nail.yml
@@ -16,8 +16,8 @@ jobs:
     container:
       image: docker.io/ktanaka101/nail-builder:latest
       env:
-        LLVM_SYS_110_STRICT_VERSIONING: 110
-        LLVM_SYS_110_PREFIX: /usr/lib/llvm-11
+        LLVM_SYS_111_STRICT_VERSIONING: 111
+        LLVM_SYS_111_PREFIX: /usr/lib/llvm-11
         CARGO_BUILD_TARGET_DIR: /tmp/target
 
     steps:
diff --git a/Dockerfile b/Dockerfile
index 07aaec19..55204634 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -38,5 +38,5 @@ ENV PATH $PATH:/usr/lib/llvm-11/bin/
 ENV CARGO_BUILD_TARGET_DIR=/tmp/target
 
 # llvm
-ENV LLVM_SYS_110_STRICT_VERSIONING=110
-ENV LLVM_SYS_110_PREFIX=/usr/lib/llvm-11
+ENV LLVM_SYS_111_STRICT_VERSIONING=111
+ENV LLVM_SYS_111_PREFIX=/usr/lib/llvm-11