diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 318bc719..b0aaf812 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -207,8 +207,8 @@ jobs:
 
             rustup set auto-self-update disable
 
-            rustup install 1.84
-            rustup default 1.84
+            rustup install 1.86
+            rustup default 1.86
 
             export CC=clang
             export CXX=clang++
diff --git a/.github/workflows/install_rust.sh b/.github/workflows/install_rust.sh
index a5224ed3..e86041cc 100644
--- a/.github/workflows/install_rust.sh
+++ b/.github/workflows/install_rust.sh
@@ -45,8 +45,8 @@ fi
 
 # see https://github.com/rust-lang/rustup/issues/3709
 rustup set auto-self-update disable
-rustup install 1.84
-rustup default 1.84
+rustup install 1.86
+rustup default 1.86
 
 # mips/mipsel cannot add target from rustup, need compile by ourselves
 if [[ $OS =~ ^ubuntu.*$ && $TARGET =~ ^mips.*$ ]]; then