diff --git a/tools/ci/cibuild.sh b/tools/ci/cibuild.sh
index 93346fdd00..3b18ae3fa9 100755
--- a/tools/ci/cibuild.sh
+++ b/tools/ci/cibuild.sh
@@ -196,7 +196,7 @@ function riscv-gcc-toolchain {
         ;;
     esac
     cd "${prebuilt}"
-    wget --quiet --no-check-certificate https://static.dev.sifive.com/dev-tools/freedom-tools/v2020.12/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-${flavor}.tar.gz
+    wget --quiet https://static.dev.sifive.com/dev-tools/freedom-tools/v2020.12/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-${flavor}.tar.gz
     tar zxf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-${flavor}.tar.gz
     mv riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-${flavor} riscv64-unknown-elf-gcc
     rm riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-${flavor}.tar.gz