diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index b53247de82..7d23d41be0 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -71,7 +71,7 @@ (define-module (gnu packages image)
 (define-public libpng
   (package
    (name "libpng")
-   (version "1.6.29")
+   (version "1.6.34")
    (source (origin
             (method url-fetch)
             (uri (list (string-append "mirror://sourceforge/libpng/libpng16/"
@@ -84,7 +84,7 @@ (define-public libpng
                         "/libpng16/libpng-" version ".tar.xz")))
             (sha256
              (base32
-              "0fgjqp7x6jynacmqh6dj72cn6nnf6yxjfqqqfsxrx0pyx22bcia2"))))
+              "1xjr0v34fyjgnhvaa1zixcpx5yvxcg4zwvfh0fyklfyfj86rc7ig"))))
    (build-system gnu-build-system)
 
    ;; libpng.la says "-lz", so propagate it.