1 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/data/misc/tzdata/default.nix b/pkgs/data/misc/tzdata/default.nix
index dc80580ff5e..367ee06390c 100644
--- a/pkgs/data/misc/tzdata/default.nix
+++ b/pkgs/data/misc/tzdata/default.nix
@@ -2,16 +2,16 @@
 
 stdenv.mkDerivation rec {
   pname = "tzdata";
-  version = "2020c";
+  version = "2019c";
 
   srcs =
     [ (fetchurl {
         url = "https://data.iana.org/time-zones/releases/tzdata${version}.tar.gz";
-        sha256 = "1nab36g5ibs88wg2mzpzygi1wh5gh2al1qjvbk8sb90sbw8ar43q";
+        sha256 = "0z7w1yv37cfk8yhix2cillam091vgp1j4g8fv84261q9mdnq1ivr";
       })
       (fetchurl {
         url = "https://data.iana.org/time-zones/releases/tzcode${version}.tar.gz";
-        sha256 = "1r5zrk1k3jhhilkhrx82fd19rvysji8jk05gq5v0rndmyx07zacs";
+        sha256 = "1m3y2rnf1nggxxhxplab5zdd5whvar3ijyrv7lifvm82irkd7szn";
       })
     ];