diff --git a/projects/wasmtime/build.sh b/projects/wasmtime/build.sh
index cf71ef02a9d2..547ebd14bafa 100755
--- a/projects/wasmtime/build.sh
+++ b/projects/wasmtime/build.sh
@@ -21,6 +21,10 @@ git submodule update --init --recursive
 git clone --depth 1 https://github.com/bytecodealliance/wasmtime-libfuzzer-corpus wasmtime-libfuzzer-corpus
 
 
+# Temporary workaround. Can be removed once OSS-Fuzz rust toolchain is bumped.
+export RUSTUP_TOOLCHAIN=nightly-2024-02-12
+
+
 # Note: This project creates Rust fuzz targets exclusively
 
 build() {