diff --git a/gnu/packages/tls.scm b/gnu/packages/tls.scm
index a9ee8257c9..1a0eeb2708 100644
--- a/gnu/packages/tls.scm
+++ b/gnu/packages/tls.scm
@@ -40,7 +40,7 @@
 (define-public libtasn1
   (package
     (name "libtasn1")
-    (version "4.6")
+    (version "4.5")
     (source
      (origin
       (method url-fetch)
@@ -48,7 +48,7 @@
                           version ".tar.gz"))
       (sha256
        (base32
-        "12shiqjmck2g0rg57vr73dhy58kbwgsjb24sqdw6hlyjw8jzqqil"))))
+        "1nhvnznhg2aqfrfjxc8v008hjlzkh5831jsfahqk89qrw7fbbcw9"))))
     (build-system gnu-build-system)
     (native-inputs `(("perl" ,perl)