diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b50ca9a6f3..d5c93f69b0 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -261,7 +261,7 @@ jobs:
       with:
         node-version: 12.x
 
-    - run: echo "TAG=$(date --iso --utc)" >> $GITHUB_ENV
+    - run: echo "TAG=$(date --iso -u)" >> $GITHUB_ENV
       if: github.ref == 'refs/heads/release'
     - run: echo "TAG=nightly" >> $GITHUB_ENV
       if: github.ref != 'refs/heads/release'
diff --git a/crates/rust-analyzer/build.rs b/crates/rust-analyzer/build.rs
index 780d247c90..bca6611d60 100644
--- a/crates/rust-analyzer/build.rs
+++ b/crates/rust-analyzer/build.rs
@@ -55,7 +55,7 @@ fn commit_hash() -> Option<String> {
 }
 
 fn build_date() -> Option<String> {
-    output_to_string("date --utc +%Y-%m-%d")
+    output_to_string("date -u +%Y-%m-%d")
 }
 
 fn output_to_string(command: &str) -> Option<String> {
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 01bf6e70de..ce33534108 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -108,7 +108,7 @@ fn run_fuzzer() -> Result<()> {
 }
 
 fn date_iso() -> Result<String> {
-    let res = cmd!("date --utc +%Y-%m-%d").read()?;
+    let res = cmd!("date -u +%Y-%m-%d").read()?;
     Ok(res)
 }