diff --git a/libpng.yaml b/libpng.yaml
index 0221016a182..7609df69d43 100644
--- a/libpng.yaml
+++ b/libpng.yaml
@@ -1,7 +1,7 @@
 package:
   name: libpng
-  version: 1.6.39
-  epoch: 3
+  version: 1.6.40
+  epoch: 0
   description: Portable Network Graphics library
   copyright:
     - license: Libpng
@@ -21,7 +21,7 @@ environment:
 pipeline:
   - uses: fetch
     with:
-      expected-sha256: af4fb7f260f839919e5958e5ab01a275d4fe436d45442a36ee62f73e5beb75ba
+      expected-sha256: 8f720b363aa08683c9bf2a563236f45313af2c55d542b5481ae17dd8d183bb42
       uri: https://downloads.sourceforge.net/libpng/libpng-${{package.version}}.tar.gz
 
   - runs: autoreconf -vif