5 files changed, 7 insertions, 6 deletions
diff --git a/pkgs/development/python-modules/nevow/default.nix b/pkgs/development/python-modules/nevow/default.nix
index 1adfe13dd13..fa11ab3fb90 100644
--- a/pkgs/development/python-modules/nevow/default.nix
+++ b/pkgs/development/python-modules/nevow/default.nix
@@ -12,6 +12,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ twisted ];
 
+  checkInputs = [ twisted ];
+
   checkPhase = ''
     trial formless nevow
   '';
diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 2b2d17eb2e8..5d8d7d56225 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -424,7 +424,6 @@ let
     showtext = [ pkgs.pkgconfig ];
     spate = [ pkgs.pkgconfig ];
     stringi = [ pkgs.pkgconfig ];
-    sys = [ pkgs.libapparmor ];
     sysfonts = [ pkgs.pkgconfig ];
     tesseract = [ pkgs.pkgconfig ];
     Cairo = [ pkgs.pkgconfig ];
diff --git a/pkgs/development/tools/build-managers/scons/default.nix b/pkgs/development/tools/build-managers/scons/default.nix
index 2d0bf244370..ce15de8678d 100644
--- a/pkgs/development/tools/build-managers/scons/default.nix
+++ b/pkgs/development/tools/build-managers/scons/default.nix
@@ -8,7 +8,7 @@ in {
     sha256 = "0wzid419mlwqw9llrg8gsx4nkzhqy16m4m40r0xnh6cwscw5wir4";
   };
   scons_latest = mkScons {
-    version = "3.0.4";
-    sha256 = "06lv3pmdz5l23rx3kqsi1k712bdl36i942hgbjh209s94mpb7f72";
+    version = "3.0.5";
+    sha256 = "0gn7fgxvx94bjm4cim29cdz91ar1rmfxk2f39wwgljvdvhinyryz";
   };
 }
diff --git a/pkgs/servers/mail/dovecot/default.nix b/pkgs/servers/mail/dovecot/default.nix
index 7528c4c8c03..802c6698df6 100644
--- a/pkgs/servers/mail/dovecot/default.nix
+++ b/pkgs/servers/mail/dovecot/default.nix
@@ -9,7 +9,7 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "dovecot-2.3.5";
+  name = "dovecot-2.3.5.1";
 
   nativeBuildInputs = [ perl pkgconfig ];
   buildInputs =
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://dovecot.org/releases/2.3/${name}.tar.gz";
-    sha256 = "1zxa9banams9nmk99sf1rqahr11cdqxhwi7hyz3ddxqidpn15qdz";
+    sha256 = "0gy3qzwbp6zsyn44pcfq8iiv9iy9q7z6py30h60alb1vkr3rv3yp";
   };
 
   enableParallelBuilding = true;
diff --git a/pkgs/tools/networking/p2p/tahoe-lafs/default.nix b/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
index 6d4c77d5198..3e9d1f9f5f7 100644
--- a/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
+++ b/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
@@ -59,7 +59,7 @@ pythonPackages.buildPythonApplication rec {
     service-identity pyyaml magic-wormhole treq
   ];
 
-  checkInputs = with pythonPackages; [ hypothesis ];
+  checkInputs = with pythonPackages; [ hypothesis twisted ];
 
   # Install the documentation.
   postInstall = ''