diff --git a/pkgs/servers/sql/mariadb/connector-c/3_1.nix b/pkgs/servers/sql/mariadb/connector-c/3_1.nix
index 477d6113b7a4..40a00313639b 100644
--- a/pkgs/servers/sql/mariadb/connector-c/3_1.nix
+++ b/pkgs/servers/sql/mariadb/connector-c/3_1.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./. (args // {
-  version = "3.1.12";
-  sha256 = "0qzyahr8x9l1xz0l79wz3iahxz7648n1azc5yr7kx0dl113y2nig";
+  version = "3.1.13";
+  sha256 = "0xb8fiissblxb319y5ifqqp86zblwis789ipb753pcb4zpnsaw82";
 })