diff --git a/pkgs/tools/filesystems/ceph/dev.nix b/pkgs/tools/filesystems/ceph/dev.nix
index 23757278b6f0..d092b4057e50 100644
--- a/pkgs/tools/filesystems/ceph/dev.nix
+++ b/pkgs/tools/filesystems/ceph/dev.nix
@@ -1,16 +1,13 @@
 { callPackage, fetchgit, ... } @ args:
 
 callPackage ./generic.nix (args // rec {
-  version = "9.0.3";
+  version = "9.1.0";
 
   src = fetchgit {
     url = "https://github.com/ceph/ceph.git";
     rev = "refs/tags/v${version}";
-    sha256 = "08ccy735srzmi505qlrpqdh5js40mpd5k1vdhnysknra0vqlpmdx";
+    sha256 = "1f8z0dxl945370ifz2ila9bc55d81h41bmdq241y9z4pvaynl6pz";
   };
 
-  patches = [
-    ./fix-pythonpath.patch
-    ./9.0.3-i686-fix.patch
-  ];
+  patches = [ ./fix-pythonpath.patch ];
 })
diff --git a/pkgs/tools/filesystems/ceph/generic.nix b/pkgs/tools/filesystems/ceph/generic.nix
index cfc020b107d2..8c169f131ed2 100644
--- a/pkgs/tools/filesystems/ceph/generic.nix
+++ b/pkgs/tools/filesystems/ceph/generic.nix
@@ -206,10 +206,10 @@ stdenv.mkDerivation {
   ] ++ optional (versionAtLeast version "9.0.2") [
     (mkWith   true                         "man-pages"            null)
     (mkWith   true                         "systemd-libexec-dir"  "\${out}/libexec")
-  ] ++ optional (versionOlder version "10.0.0") [
+  ] ++ optional (versionOlder version "9.1.0") [
     (mkWith   (optLibs3 != null)           "system-libs3"         null)
     (mkWith   true                         "rest-bench"           null)
-  ] ++ optional (versionAtLeast version "10.0.0") [
+  ] ++ optional (versionAtLeast version "9.1.0") [
     (mkWith   true                         "rgw-user"             "rgw")
     (mkWith   true                         "rgw-group"            "rgw")
     (mkWith   true                         "systemd-unit-dir"     "\${out}/etc/systemd/system")