diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,8 @@
 # Changelog
 
+- 0.4.6 (2026-08-01)
+  * Merely bumps the ppad-fixed dependency.
+
 - 0.4.5 (2026-07-17)
   * Adds an optimization-opaque barrier to MAC equality comparison
     to prevent LLVM from introducing variable-time instructions when
diff --git a/ppad-poly1305.cabal b/ppad-poly1305.cabal
--- a/ppad-poly1305.cabal
+++ b/ppad-poly1305.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ppad-poly1305
-version:            0.4.5
+version:            0.4.6
 synopsis:           A fast Poly1305 MAC
 license:            MIT
 license-file:       LICENSE
@@ -43,7 +43,7 @@
   build-depends:
       base >= 4.9 && < 5
     , bytestring >= 0.9 && < 0.13
-    , ppad-fixed >= 0.1.3 && < 0.2
+    , ppad-fixed >= 0.2 && < 0.3
   c-sources:
       cbits/poly1305_arm.c
   if arch(aarch64)