diff --git a/pkgs/tools/filesystems/ceph/dev.nix b/pkgs/tools/filesystems/ceph/dev.nix
deleted file mode 120000
index 31d5e95359c..00000000000
--- a/pkgs/tools/filesystems/ceph/dev.nix
+++ /dev/null
@@ -1 +0,0 @@
-0.94.nix
\ No newline at end of file
diff --git a/pkgs/tools/filesystems/ceph/dev.nix b/pkgs/tools/filesystems/ceph/dev.nix
new file mode 100644
index 00000000000..aec5d35b51a
--- /dev/null
+++ b/pkgs/tools/filesystems/ceph/dev.nix
@@ -0,0 +1,13 @@
+{ callPackage, fetchgit, ... } @ args:
+
+callPackage ./generic.nix (args // rec {
+  version = "9.0.0";
+
+  src = fetchgit {
+    url = "https://github.com/ceph/ceph.git";
+    rev = "refs/tags/v${version}";
+    sha256 = "07x5riqxh2mjcvlblv900vclgh8glnb464s6ssdcgkp31fk1gybg";
+  };
+
+  patches = [ ./fix-pgrefdebugging.patch ];
+})
diff --git a/pkgs/tools/filesystems/ceph/generic.nix b/pkgs/tools/filesystems/ceph/generic.nix
index 9dbc85a3243..43cbb75de6f 100644
--- a/pkgs/tools/filesystems/ceph/generic.nix
+++ b/pkgs/tools/filesystems/ceph/generic.nix
@@ -63,13 +63,13 @@ let
   hasRadosgw = optFcgi != null && optExpat != null && optCurl != null && optLibedit != null;
 
   hasXio = (stdenv.isLinux || stdenv.isFreeBSD) &&
-    versionAtLeast version "0.95" &&
+    versionAtLeast version "9.0.0" &&
     optAccelio != null && optLibibverbs != null && optLibrdmacm != null;
 
-  hasRocksdb = versionAtLeast version "0.95" && optRocksdb != null;
+  hasRocksdb = versionAtLeast version "9.0.0" && optRocksdb != null;
 
   # TODO: Reenable when kinetic support is fixed
-  #hasKinetic = versionAtLeast version "0.95" && optKinetic-cpp-client != null;
+  #hasKinetic = versionAtLeast version "9.0.0" && optKinetic-cpp-client != null;
   hasKinetic = false;
 
   # Malloc implementation (can be jemalloc, tcmalloc or null)
@@ -124,6 +124,9 @@ stdenv.mkDerivation {
 
     # Fix seagate kinetic linking
     sed -i 's,libcrypto.a,-lcrypto,g' src/os/Makefile.am
+  '' + optionalString (versionAtLeast version "9.0.0") ''
+    # Fix gmock
+    patchShebangs src/gmock
   '';
 
   preConfigure = ''
@@ -186,6 +189,10 @@ stdenv.mkDerivation {
     (mkWith   false                        "valgrind"          null)
   ];
 
+  preBuild = optionalString (versionAtLeast version "9.0.0") ''
+    (cd src/gmock; make -j $NIX_BUILD_CORES)
+  '';
+
   installFlags = [ "sysconfdir=\${out}/etc" ];
 
   outputs = [ "out" "lib" ];