diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index f86cf94a..93b168f3 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,9 +14,12 @@ jobs:
           - { channel: stable, features: --features safe }
           - { channel: nightly, features: --features nightly }
           - { channel: stable, features: --features zeroize }
+          - { channel: stable, features: --features zeroize-on-drop }
           - { channel: nightly, features: --features safe,nightly }
           - { channel: stable, features: --features safe,zeroize }
+          - { channel: stable, features: --features safe,zeroize-on-drop }
           - { channel: nightly, features: --features nightly,zeroize }
+          - { channel: nightly, features: --features nightly,zeroize-on-drop }
           - { channel: nightly, features: --all-features }
 
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 84d1e727..c2e834e0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,12 +17,18 @@ jobs:
           - ""
           - --features safe
           - --features zeroize
+          - --features zeroize-on-drop
           - --features safe,zeroize
+          - --features safe,zeroize-on-drop
         exclude:
           - rust: { version: 1.34.2, workspace: "" }
             features: --features zeroize
+          - rust: { version: 1.34.2, workspace: "" }
+            features: --features zeroize-on-drop
           - rust: { version: 1.34.2, workspace: "" }
             features: --features safe,zeroize
+          - rust: { version: 1.34.2, workspace: "" }
+            features: --features safe,zeroize-on-drop
         include:
           - rust: { version: nightly, workspace: "--workspace" }
             features: --features nightly
@@ -30,6 +36,8 @@ jobs:
             features: --features safe,nightly
           - rust: { version: nightly, workspace: "--workspace" }
             features: --features nightly,zeroize
+          - rust: { version: nightly, workspace: "--workspace" }
+            features: --features nightly,zeroize-on-drop
           - rust: { version: nightly, workspace: "--workspace" }
             features: --all-features
 
@@ -66,12 +74,18 @@ jobs:
           - ""
           - --features safe
           - --features zeroize
+          - --features zeroize-on-drop
           - --features safe,zeroize
+          - --features safe,zeroize-on-drop
         exclude:
           - rust: 1.34.2
             features: --features zeroize
+          - rust: 1.34.2
+            features: --features zeroize-on-drop
           - rust: 1.34.2
             features: --features safe,zeroize
+          - rust: 1.34.2
+            features: --features safe,zeroize-on-drop
         include:
           - rust: nightly
             features: --features nightly
@@ -79,6 +93,8 @@ jobs:
             features: --features safe,nightly
           - rust: nightly
             features: --features nightly,zeroize
+          - rust: nightly
+            features: --features nightly,zeroize-on-drop
           - rust: nightly
             features: --all-features
 
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 5b555795..efe4f7fa 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -6,7 +6,7 @@ on:
   schedule:
     # Give nightly release some time to complete.
     # See <https://github.com/rust-lang/rustup-components-history/blob/dc6890bde289ac72d9d16959e4432f72f30c051b/.github/workflows/rust.yml#L9-L10>
-    - cron:  '0 2 * * *'
+    - cron: 0 2 * * *
 
 jobs:
   test: