diff --git a/pkgs/development/libraries/libsolv/default.nix b/pkgs/development/libraries/libsolv/default.nix
index 1062cc8e650..2d50851e583 100644
--- a/pkgs/development/libraries/libsolv/default.nix
+++ b/pkgs/development/libraries/libsolv/default.nix
@@ -1,14 +1,14 @@
 { lib, stdenv, fetchFromGitHub, cmake, ninja, zlib, expat, rpm, db }:
 
 stdenv.mkDerivation rec {
-  version  = "0.7.20";
+  version  = "0.7.21";
   pname = "libsolv";
 
   src = fetchFromGitHub {
     owner  = "openSUSE";
     repo   = "libsolv";
     rev    = version;
-    sha256 = "sha256-NVyLa/fPGnO5jAz9rePFXg/z6RZeFCrkJBCG3gGh+YM=";
+    sha256 = "sha256-ka1HXVo0CFr0eqGTkatYq1jXE+9UgM0YTZNW1WtMLF0=";
   };
 
   cmakeFlags = [
diff --git a/pkgs/tools/package-management/micromamba/default.nix b/pkgs/tools/package-management/micromamba/default.nix
index 4bdf7c4c7a3..8f6cdd574a1 100644
--- a/pkgs/tools/package-management/micromamba/default.nix
+++ b/pkgs/tools/package-management/micromamba/default.nix
@@ -9,11 +9,6 @@ let
     ];
 
     patches = [
-      # Patch added by the mamba team
-      (fetchpatch {
-        url = "https://raw.githubusercontent.com/mamba-org/boa-forge/20530f80e2e15012078d058803b6e2c75ed54224/libsolv/add_strict_repo_prio_rule.patch";
-        sha256 = "19c47i5cpyy88nxskf7k6q6r43i55w61jvnz7fc2r84hpjkcrv7r";
-      })
       # Patch added by the mamba team
       (fetchpatch {
         url = "https://raw.githubusercontent.com/mamba-org/boa-forge/20530f80e2e15012078d058803b6e2c75ed54224/libsolv/conda_variant_priorization.patch";