diff --git a/pkgs/development/libraries/openjpeg/2.x.nix b/pkgs/development/libraries/openjpeg/2.x.nix
index 3aa2fdf0dd25..e865e2e8549d 100644
--- a/pkgs/development/libraries/openjpeg/2.x.nix
+++ b/pkgs/development/libraries/openjpeg/2.x.nix
@@ -1,10 +1,10 @@
 { callPackage, fetchpatch, ... } @ args:
 
 callPackage ./generic.nix (args // rec {
-  version = "2.3.0";
+  version = "2.3.1";
   branch = "2.3";
   revision = "v${version}";
-  sha256 = "08plxrnfl33sn2vh5nwbsngyv6b1sfpplvx881crm1v1ai10m2lz";
+  sha256 = "1dn98d2dfa1lqyxxmab6rrcv52dyhjr4g7i4xf2w54fqsx14ynrb";
 
   extraFlags = [
     "-DOPENJPEG_INSTALL_INCLUDE_DIR=${placeholder "dev"}/include/openjpeg-${branch}"
@@ -12,20 +12,6 @@ callPackage ./generic.nix (args // rec {
   ];
 
   patches = [
-    (fetchpatch {
-      name = "CVE-2018-7648.patch";
-      url = "https://github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d.patch";
-      sha256 = "1j5nxmlgyfkxldk2f1ij6h850xw45q3b5brxqa04dxsfsv8cdj5j";
-    })
-    (fetchpatch {
-      name = "CVE-2017-17480+CVE-2018-18088.patch";
-      url = "https://github.com/uclouvain/openjpeg/commit/92023cd6c377e0384a7725949b25655d4d94dced.patch";
-      sha256 = "0rrxxqcp3vjkmvywxj9ac766m3fppy0x0nszrkf8irrqy1gnp38k";
-    })
-    (fetchpatch {
-      url = https://github.com/uclouvain/openjpeg/commit/24fd3ce777a64b8b315cfe1ee642ec7b1cc6aa97.patch;
-      sha256 = "1sl5wplgdfiqw8qbd8s5j5hq3ynbwgsnv8nxqfrk5s7vyrzx9pxv";
-    })
     ./fix-cmake-config-includedir.patch
   ];
 })