diff --git a/pkgs/development/python-modules/certifi/default.nix b/pkgs/development/python-modules/certifi/default.nix
index 07dc701f3b1b..935c0d600613 100644
--- a/pkgs/development/python-modules/certifi/default.nix
+++ b/pkgs/development/python-modules/certifi/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "certifi";
-  version = "2019.3.9";
+  version = "2019.6.16";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1bnpw7hrf9i1l9gfxjnzi45hkrvzz0pyn9ia8m4mw7sxhgb08qdj";
+    sha256 = "945e3ba63a0b9f577b1395204e13c3a231f9bc0223888be653286534e5873695";
   };
 
   meta = {