diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 293c867ec1..bdc794fa6a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,8 +14,8 @@ concurrency:
 
 env:
   RUST_BACKTRACE: 1
-  RUSTFLAGS: -Dwarnings
-  RUSTDOCFLAGS: -Dwarnings
+  RUSTFLAGS: "-A warnings
+  RUSTDOCFLAGS: "-A warnings
   MSRV: "1.76"
   SCCACHE_CACHE_SIZE: "50G"
 
@@ -302,7 +302,7 @@ jobs:
         with:
           arguments: --workspace --all-features
           command: check
-          command-arguments: "-Dwarnings"
+          command-arguments: ""-A warnings"
 
   netsim-integration-tests:
     if: "github.event_name != 'pull_request' || ! contains(github.event.pull_request.labels.*.name, 'flaky-test')"
diff --git a/.github/workflows/netsim.yml b/.github/workflows/netsim.yml
index 1c662644b9..aba5a67959 100644
--- a/.github/workflows/netsim.yml
+++ b/.github/workflows/netsim.yml
@@ -9,7 +9,7 @@ on:
 
 env:
   RUST_BACKTRACE: 1
-  RUSTFLAGS: -Dwarnings
+  RUSTFLAGS: "-A warnings
   MSRV: "1.66"
   SCCACHE_GHA_ENABLED: "true"
   RUSTC_WRAPPER: "sccache"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e998a27e73..b031081d10 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,8 +25,8 @@ concurrency:
 
 env:
   RUST_BACKTRACE: 1
-  RUSTFLAGS: -Dwarnings
-  RUSTDOCFLAGS: -Dwarnings
+  RUSTFLAGS: "-A warnings
+  RUSTDOCFLAGS: "-A warnings
   MSRV: "1.76"
   SCCACHE_CACHE_SIZE: "50G"
   BIN_NAMES: "iroh,iroh-relay,iroh-dns-server"
diff --git a/.github/workflows/test_relay_server.yml b/.github/workflows/test_relay_server.yml
index d7a0a50b2d..13e2328c46 100644
--- a/.github/workflows/test_relay_server.yml
+++ b/.github/workflows/test_relay_server.yml
@@ -11,8 +11,8 @@ concurrency:
     
 env:
     RUST_BACKTRACE: 1
-    RUSTFLAGS: -Dwarnings
-    RUSTDOCFLAGS: -Dwarnings
+    RUSTFLAGS: "-A warnings
+    RUSTDOCFLAGS: "-A warnings
     MSRV: "1.76"
     SCCACHE_CACHE_SIZE: "50G"
     
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 4f018451a8..2781411059 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -20,8 +20,8 @@ on:
 
 env:
   RUST_BACKTRACE: 1
-  RUSTFLAGS: -Dwarnings
-  RUSTDOCFLAGS: -Dwarnings
+  RUSTFLAGS: "-A warnings
+  RUSTDOCFLAGS: "-A warnings
   SCCACHE_CACHE_SIZE: "50G"
   CRATES_LIST: "iroh,iroh-blobs,iroh-gossip,iroh-metrics,iroh-net,iroh-net-bench,iroh-docs,iroh-test,iroh-cli,iroh-dns-server"