diff --git a/.github/builder/common.sh b/.github/builder/common.sh
index 776c4ad0..bd5d2fdd 100755
--- a/.github/builder/common.sh
+++ b/.github/builder/common.sh
@@ -5,6 +5,11 @@
 
 set -e
 
+if [ -z "${RUST_NIGHTLY_VERSION}"  ]; then
+    echo "RUST_NIGHTLY_VERSION not set. It should be defined by ci.yml workflow."
+    exit 1
+fi
+
 download_and_verify_llvm() {
     LLVM_PGP_KEY_URL="https://releases.llvm.org/5.0.2/tstellar-gpg-key.asc"
     LLD_URL="https://releases.llvm.org/5.0.2/lld-5.0.2.src.tar.xz"
@@ -107,8 +112,8 @@ download_and_verify_make() {
 
 download_and_verify_rust() {
     RUST_GPG_KEY_URL="https://static.rust-lang.org/rust-key.gpg.ascii"
-    RUST_URL="https://static.rust-lang.org/dist/rust-nightly-x86_64-unknown-linux-gnu.tar.xz"
-    RUST_SIG_URL="https://static.rust-lang.org/dist/rust-nightly-x86_64-unknown-linux-gnu.tar.xz.asc"
+    RUST_URL="https://static.rust-lang.org/dist/${RUST_NIGHTLY_VERSION}/rust-nightly-x86_64-unknown-linux-gnu.tar.xz"
+    RUST_SIG_URL="https://static.rust-lang.org/dist/${RUST_NIGHTLY_VERSION}/rust-nightly-x86_64-unknown-linux-gnu.tar.xz.asc"
 
     if [ -z "${BUILDER_DIR}" ]; then
         echo "BUILDER_DIR not set. Exiting..."
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b8939ca8..f00559e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,7 @@ env:
   PUBLIC_SIMICS_ISPM_VERSION: "1.8.3"
   MINGW_URL: "https://github.com/brechtsanders/winlibs_mingw/releases/download/13.2.0-16.0.6-11.0.0-ucrt-r1/winlibs-x86_64-posix-seh-gcc-13.2.0-llvm-16.0.6-mingw-w64ucrt-11.0.0-r1.7z"
   MINGW_VERSION: "13.2.0-16.0.6-11.0.0-ucrt-r1"
+  RUST_NIGHTLY_VERSION: "2025-02-28"
 
 permissions:
   contents: read
@@ -472,7 +473,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@83bdede770b06329615974cf8c786f845d824dfb # nightly
         with:
-          toolchain: nightly
+          toolchain: nightly-${{ env.RUST_NIGHTLY_VERSION }}
           components: rustfmt,clippy,miri
 
       - name: Cache SIMICS Dependencies
@@ -578,7 +579,7 @@ jobs:
           echo "Downloading Rustup"
           Invoke-WebRequest -URI https://win.rustup.rs/x86_64 -OutFile C:\rustup-init.exe
           echo "Installing Rust"
-          C:\rustup-init.exe --default-toolchain nightly --default-host x86_64-pc-windows-gnu -y
+          C:\rustup-init.exe --default-toolchain nightly-${{ env.RUST_NIGHTLY_VERSION }} --default-host x86_64-pc-windows-gnu -y
 
       - name: Cache SIMICS
         id: cache-simics-packages-windows