diff --git a/pkgs/development/compilers/dmd/default.nix b/pkgs/development/compilers/dmd/default.nix
index 094cdb06b698..6522b12b1310 100644
--- a/pkgs/development/compilers/dmd/default.nix
+++ b/pkgs/development/compilers/dmd/default.nix
@@ -3,10 +3,10 @@
 , curl, tzdata, gdb, darwin
 , callPackage
 , bootstrapVersion ? false
-, version ? "2.078.2"
-, dmdSha256 ? "0x9q4aw4jl36dz7m5111y2sm8jdaj3zg36zhj6vqg1lqpdn3bhls"
-, druntimeSha256 ? "0nfqjcmwqc490bzi3582x1c3zigkf306g4nyd1cyd3vs8lfm6x66"
-, phobosSha256 ? "08ircpf4ilznz638kra272hz8fi5ccvw2cswj5hqckssl1lyqzs8"
+, version ? "2.079.0"
+, dmdSha256 ? "1k6cky71pqnss6h6391p1ich2mjs598f5fda018aygnxg87qgh4y"
+, druntimeSha256 ? "183pqygj5w4105czs5kswyjn9mrcybx3wmkynz3in0m3ylzzjmvl"
+, phobosSha256 ? "0y9i86ggmf41ww2xk2bsrlsv9b1blj5dbyan6q6r6xp8dmgrd79w"
 }:
 
 let
@@ -80,17 +80,6 @@ let
       "phobos/std/datetime/timezone.d";
 
     phobosPatches = ''
-        substituteInPlace ${datetimePath} \
-            --replace "import core.time;" "import core.time;import std.path;"
-
-        substituteInPlace ${datetimePath} \
-            --replace "tzName == \"leapseconds\"" "baseName(tzName) == \"leapseconds\""
-
-        # Ugly hack to fix the hardcoded path to zoneinfo in the source file.
-        # https://issues.dlang.org/show_bug.cgi?id=15391
-        substituteInPlace ${datetimePath} \
-            --replace /usr/share/zoneinfo/ ${tzdata}/share/zoneinfo/
-
         # Ugly hack so the dlopen call has a chance to succeed.
         # https://issues.dlang.org/show_bug.cgi?id=15391
         substituteInPlace phobos/std/net/curl.d \
@@ -102,15 +91,29 @@ let
 
     ''
 
+    + stdenv.lib.optionalString (!bootstrapVersion) ''
+	# Can be removed when https://github.com/dlang/phobos/pull/6224 is included.
+        substituteInPlace ${datetimePath} \
+            --replace "foreach (DirEntry de; dirEntries(tzDatabaseDir, SpanMode.depth))" "import std.path : baseName; foreach (DirEntry de; dirEntries(tzDatabaseDir, SpanMode.depth))"
+
+        substituteInPlace ${datetimePath} \
+            --replace "tzName == \"leapseconds\"" "baseName(tzName) == \"leapseconds\""
+    ''
+
     + stdenv.lib.optionalString (bootstrapVersion) ''
         substituteInPlace ${datetimePath} \
             --replace "import std.traits;" "import std.traits;import std.path;"
 
         substituteInPlace ${datetimePath} \
             --replace "tzName == \"+VERSION\"" "baseName(tzName) == \"leapseconds\" || tzName == \"+VERSION\""
+
+        # Ugly hack to fix the hardcoded path to zoneinfo in the source file.
+        # https://issues.dlang.org/show_bug.cgi?id=15391
+        substituteInPlace ${datetimePath} \
+            --replace /usr/share/zoneinfo/ ${tzdata}/share/zoneinfo/
     ''
 
-    + stdenv.lib.optionalString stdenv.hostPlatform.isLinux ''
+    + stdenv.lib.optionalString (bootstrapVersion && stdenv.hostPlatform.isLinux) ''
         # See https://github.com/dlang/phobos/pull/5960
         substituteInPlace phobos/std/path.d \
             --replace "\"/root" "\"${ROOT_HOME_DIR}"
@@ -122,9 +125,6 @@ let
       "dmd";
 
     postPatch = ''
-        # Use proper C++ compiler
-        substituteInPlace ${dmdPath}/posix.mak \
-            --replace g++ $CXX
     ''
 
     + stdenv.lib.optionalString (!bootstrapVersion) ''
@@ -132,6 +132,12 @@ let
             --replace "DFLAGS:=" "DFLAGS:=${usePIC} "
     ''
 
+    + stdenv.lib.optionalString (bootstrapVersion) ''
+        # Use proper C++ compiler
+        substituteInPlace ${dmdPath}/posix.mak \
+            --replace g++ $CXX
+    ''
+
     + phobosPatches
 
     + stdenv.lib.optionalString (stdenv.hostPlatform.isLinux && bootstrapVersion) ''
@@ -145,9 +151,9 @@ let
     ''
 
     + stdenv.lib.optionalString (stdenv.hostPlatform.isDarwin && bootstrapVersion) ''
-	# Was not able to compile on darwin due to "__inline_isnanl"
-	# being undefined.
-	substituteInPlace ${dmdPath}/root/port.c --replace __inline_isnanl __inline_isnan
+	    # Was not able to compile on darwin due to "__inline_isnanl"
+	    # being undefined.
+	    substituteInPlace ${dmdPath}/root/port.c --replace __inline_isnanl __inline_isnan
     '';
 
     nativeBuildInputs = [ bootstrapDmd makeWrapper unzip which gdb ]
@@ -176,7 +182,7 @@ let
         cd ../druntime
         make -j$NIX_BUILD_CORES -f posix.mak PIC=1 INSTALL_DIR=$out DMD=${pathToDmd}
         cd ../phobos
-        make -j$NIX_BUILD_CORES -f posix.mak PIC=1 INSTALL_DIR=$out DMD=${pathToDmd}
+        make -j$NIX_BUILD_CORES -f posix.mak PIC=1 INSTALL_DIR=$out DMD=${pathToDmd} TZ_DATABASE_DIR=${tzdata}/share/zoneinfo/
         cd ..
     '';
 
@@ -260,7 +266,7 @@ let
 
     buildPhase = ''
         cd phobos
-        make -j$NIX_BUILD_CORES -f posix.mak unittest PIC=1 DMD=${dmdBuild}/bin/dmd BUILD=release
+        make -j$NIX_BUILD_CORES -f posix.mak unittest PIC=1 DMD=${dmdBuild}/bin/dmd BUILD=release TZ_DATABASE_DIR=${tzdata}/share/zoneinfo/
     '';
 
     installPhase = ''
diff --git a/pkgs/development/tools/build-managers/dub/default.nix b/pkgs/development/tools/build-managers/dub/default.nix
index da404a63d85f..28894850bbd9 100644
--- a/pkgs/development/tools/build-managers/dub/default.nix
+++ b/pkgs/development/tools/build-managers/dub/default.nix
@@ -4,7 +4,7 @@ let
 
   dubBuild = stdenv.mkDerivation rec {
     name = "dubBuild-${version}";
-    version = "1.7.2";
+    version = "1.8.0";
 
     enableParallelBuilding = true;
 
@@ -12,21 +12,13 @@ let
       owner = "dlang";
       repo = "dub";
       rev = "v${version}";
-      sha256 = "073ibvgm1gphcqs1yjrav9ryp677nh3b194nxmvicwgvdc0sb6w9";
+      sha256 = "0788d375sc6xdak9x6xclkkz243lb7di68yxfvl4v0n178mi22bk";
     };
 
     postUnpack = ''
         patchShebangs .
     '';
 
-    patches = [
-      # TODO Remove with next release which contains https://github.com/dlang/dub/pull/1354
-      (fetchpatch {
-        url = "https://patch-diff.githubusercontent.com/raw/dlang/dub/pull/1354.patch";
-        sha256 = "01alky8a91qwjmlnfjbrn8kiivwr69f3j4c84cjlxrzfp1ph20ah";
-      })
-    ];
-
     # Can be removed with https://github.com/dlang/dub/pull/1368
     dubvar = "\\$DUB";
     postPatch = ''
@@ -71,8 +63,6 @@ let
 
     src = dubBuild.src;
     
-    patches = dubBuild.patches;
-
     postUnpack = dubBuild.postUnpack;
     postPatch = dubBuild.postPatch;
 
diff --git a/pkgs/development/tools/dtools/default.nix b/pkgs/development/tools/dtools/default.nix
index d76bbb7f53a3..d5f691b0cac5 100644
--- a/pkgs/development/tools/dtools/default.nix
+++ b/pkgs/development/tools/dtools/default.nix
@@ -2,21 +2,21 @@
 
 stdenv.mkDerivation rec {
   name = "dtools-${version}";
-  version = "2.078.2";
+  version = "2.079.0";
 
   srcs = [
     (fetchFromGitHub {
       owner = "dlang";
       repo = "dmd";
       rev = "v${version}";
-      sha256 = "0x9q4aw4jl36dz7m5111y2sm8jdaj3zg36zhj6vqg1lqpdn3bhls";
+      sha256 = "1k6cky71pqnss6h6391p1ich2mjs598f5fda018aygnxg87qgh4y";
       name = "dmd";
     })
     (fetchFromGitHub {
       owner = "dlang";
       repo = "tools";
       rev = "v${version}";
-      sha256 = "1cydhn8g0h9i9mygzi80fb5fz3z1f6m8b9gypdvmyhkkzg63kf12";
+      sha256 = "0fvpfwh3bh3fymrmis3n39x9hkfklmv81lrlqcyl8fmmk694yvad";
       name = "dtools";
     })
   ];