diff --git a/pkgs/servers/rt/default.nix b/pkgs/servers/rt/default.nix
index 894da7a652ee..59933570d7b1 100644
--- a/pkgs/servers/rt/default.nix
+++ b/pkgs/servers/rt/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "rt";
-  version = "5.0.3";
+  version = "5.0.5";
 
   src = fetchFromGitHub {
     repo = pname;
     rev = "${pname}-${version}";
     owner = "bestpractical";
-    hash = "sha256-ZitlueLEbV3mGJg0aDrLa5IReJiOVaEf+JicbA9zUS4=";
+    hash = "sha256-4E6xEk1sIiNBKJT4jD+SNK8Fs+hX8EuTv+jD1U1g6qY=";
   };
 
   patches = [
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
         GD
         GDGraph
         GnuPGInterface
-        GraphViz
+        GraphViz2
         HTMLFormatExternal
         HTMLFormatTextWithLinks
         HTMLFormatTextWithLinksAndTables
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 8a0127d8afb2..661a5ffa2b54 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -98,7 +98,7 @@ with self; {
       hash = "sha256-6nyqFPdX3ggzEO0suimGYd3Mpd7gbsjxgEPqYlp53yA=";
     };
 
-    outputs = ["out" "man"];
+    outputs = [ "out" "man" ];
 
     nativeBuildInputs = lib.optional stdenv.isDarwin shortenPerlShebang;
     propagatedBuildInputs = [ FileNext ];
@@ -6262,13 +6262,13 @@ with self; {
 
   DateExtract = buildPerlPackage {
     pname = "Date-Extract";
-    version = "0.06";
+    version = "0.07";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/A/AL/ALEXMV/Date-Extract-0.06.tar.gz";
-      hash = "sha256-vHZY1cUMNSXsDvy1Ujal3i1dT8BvwUf6OSnI8JU82is=";
+      url = "mirror://cpan/authors/id/E/ET/ETHER/Date-Extract-0.07.tar.gz";
+      hash = "sha256-+geIBK3k7uwd4UcuDguwR65i5MjU1QIHAbnlBXfFuPQ=";
     };
-    buildInputs = [ TestMockTime ];
-    propagatedBuildInputs = [ DateTimeFormatNatural ];
+    buildInputs = [ TestMockTimeHiRes ];
+    propagatedBuildInputs = [ ClassDataInheritable DateTimeFormatNatural ];
     meta = {
       description = "Extract probable dates from strings";
       license = with lib.licenses; [ artistic1 gpl1Plus ];
@@ -7295,10 +7295,10 @@ with self; {
 
   DBIxSearchBuilder = buildPerlPackage {
     pname = "DBIx-SearchBuilder";
-    version = "1.71";
+    version = "1.77";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/B/BP/BPS/DBIx-SearchBuilder-1.71.tar.gz";
-      hash = "sha256-5C/dpvbmSSe7h3dIPlZtaDA6iwkY0YjKD+VRo6PUQr0=";
+      url = "mirror://cpan/authors/id/B/BP/BPS/DBIx-SearchBuilder-1.77.tar.gz";
+      hash = "sha256-O/il1cjF/cYK0vY/Y/c90fZJP/TYJYcoOj4iM36P4HA=";
     };
     buildInputs = [ DBDSQLite ];
     propagatedBuildInputs = [ CacheSimpleTimedExpiry ClassAccessor ClassReturnValue Clone DBIxDBSchema Want capitalization ];
@@ -9227,7 +9227,7 @@ with self; {
     propagatedBuildInputs = [ ModulePluggable Moo TypeTiny namespaceautoclean ];
     meta = {
       description = "Watch for changes to files, cross-platform style";
-      license = with lib.licenses; [artistic2 ];
+      license = with lib.licenses; [ artistic2 ];
     };
   };
 
@@ -10256,10 +10256,10 @@ with self; {
 
   GDGraph = buildPerlPackage {
     pname = "GDGraph";
-    version = "1.54";
+    version = "1.56";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/R/RU/RUZ/GDGraph-1.54.tar.gz";
-      hash = "sha256-uW9cELZWwX0Wq2Whd3yQgpewKNO2gV9tVLIzfwBr+k8=";
+      url = "mirror://cpan/authors/id/B/BP/BPS/GDGraph-1.56.tar.gz";
+      hash = "sha256-b0nMTlkBVIDbnJtrGK/YxQvjCIZoe2lBFRPQbziXERM=";
     };
     propagatedBuildInputs = [ GDText ];
     buildInputs = [ CaptureTiny TestException ];
@@ -10752,7 +10752,29 @@ with self; {
 
     meta = {
       description = "Perl interface to the GraphViz graphing tool";
-      license = with lib.licenses; [artistic2 ];
+      license = with lib.licenses; [ artistic2 ];
+    };
+  };
+
+  GraphViz2 = buildPerlPackage {
+    pname = "GraphViz2";
+    version = "2.67";
+    src = fetchurl {
+      url = "mirror://cpan/authors/id/E/ET/ETJ/GraphViz2-2.67.tar.gz";
+      hash = "sha256-h8hcbt/86k+W5rSAD2+VEq6rGeuNOzSDAachMxvLhYA=";
+    };
+
+    # XXX: It'd be nicer if `GraphViz.pm' could record the path to graphviz.
+    buildInputs = [ pkgs.graphviz TestPod Moo IPCRun3 TypeTiny TestSnapshot Graph ];
+    propagatedBuildInputs = [ FileWhich IPCRun ParseRecDescent XMLTwig XMLXPath DataSectionSimple ];
+
+    # needed for fontconfig tests
+    HOME = "/build";
+    FONTCONFIG_PATH = "${lib.getOutput "out" pkgs.fontconfig}/etc/fonts";
+
+    meta = {
+      description = "Perl interface to the GraphViz graphing tool";
+      license = with lib.licenses; [ artistic2 ];
     };
   };
 
@@ -24634,7 +24656,8 @@ with self; {
       url = "mirror://cpan/authors/id/T/TA/TARAO/Test-MockTime-HiRes-0.08.tar.gz";
       hash = "sha256-X0n3rviV0yfa/fJ0TznBdsirDkuCJ9LW495omiWb3sE=";
     };
-    buildInputs = [ AnyEvent ModuleBuildTiny TestClass TestMockTime TestRequires ];
+    buildInputs = [ AnyEvent ModuleBuildTiny TestClass TestRequires ];
+    propagatedBuildInputs = [ TestMockTime ];
     meta = {
       description = "Replaces actual time with simulated high resolution time";
       homepage = "https://github.com/tarao/perl5-Test-MockTime-HiRes";