diff --git a/pkgs/development/tools/electron/default.nix b/pkgs/development/tools/electron/default.nix
index b293576b29e..8d78c2ea36c 100644
--- a/pkgs/development/tools/electron/default.nix
+++ b/pkgs/development/tools/electron/default.nix
@@ -83,14 +83,14 @@ rec {
     headers = "0339fs3iyp869xi1xmn9z2b1n32wf408cc0z9bz6shns44ymkyhd";
   };
 
-  electron_15 = mkElectron "15.4.1" {
-    armv7l-linux = "e0fe5daed46a5d718b3209fa301aea743df694daf6605f9313f4ca6c70fe5167";
-    aarch64-linux = "fa108edd4c146811bdee842fcd278b046ae0ff157de5e072c3ff3ac0bcb310c2";
-    x86_64-linux = "867095924d434b3918df8576e7af94fecea4d29461fcfb69c40161f02158ff15";
-    i686-linux = "8e79fa9f4125f254abb437445fed8f3f8ec10dd2462e1ced3e7df49c622e087d";
-    x86_64-darwin = "899d16a0e0157809c297ceb3710c53441ec4396333d9ad5b65297446874e14dc";
-    aarch64-darwin = "8295bf45dab1131dfdfd15654a0b1d85bfae221052ba64353368a2c0faaaa3ff";
-    headers = "073697wjq60cnz42xmnjsr0xqcmcsl4m48mmzrz1rxrc8mvi86gr";
+  electron_15 = mkElectron "15.5.1" {
+    armv7l-linux = "222e9ad3210cf538c45f938b5b1a5d901b36fb6ec09461446e4ab4ea6ee9bc1b";
+    aarch64-linux = "16a0053036a9f6ba947445c85bacda720975a23a910e78cab8dce1bf8ad2acf7";
+    x86_64-linux = "99867ef0eef53f214ef4c8a4ec0223890d9c38b73fd6bf4fb49a9e400dff5726";
+    i686-linux = "6d65c900c77b9e259932b20978d78a56bb04fad590f29a5935d8a31f5e0891db";
+    x86_64-darwin = "54e6312d5e06e16eab78d86ddb01553864b66f608d017c7a1c4a0a318be32081";
+    aarch64-darwin = "6472bea7f38f38c20a8c87e6daf70ca0d00b7c29b1641eeda6c8d45f9e60784b";
+    headers = "0dgxyndsyhk5m9m8iiy2h3vg1gz1xg5nj75537apsh9mdiizsfhk";
   };
 
   electron_16 = mkElectron "16.2.1" {