diff --git a/.github/workflows/d.yml b/.github/workflows/d.yml
index 2c6da637..fc32b9c2 100644
--- a/.github/workflows/d.yml
+++ b/.github/workflows/d.yml
@@ -24,19 +24,6 @@ jobs:
         with:
           compiler: ${{ matrix.dc }}
 
-      # Work around hardcoded `dmd` compiler in integration tests
-      - name: "LDC: Symlink dmd to ldmd2"
-        if: matrix.dc == 'ldc-beta'
-        shell: bash
-        run: |
-          set -ex
-          ldcBinDir=$(dirname $(which ldmd2))
-          if [[ '${{ runner.os }}' == 'Windows' ]]; then
-            cp $ldcBinDir/ldmd2.exe $ldcBinDir/dmd.exe
-          else
-            ln -s $ldcBinDir/ldmd2 $ldcBinDir/dmd
-          fi
-
       - name: "Posix: Run tests"
         if: runner.os != 'Windows'
         run: dub -q test -- ~@tup ~@travis_oops
@@ -86,7 +73,12 @@ jobs:
       - name: Set OS-specific SCRIPT_CMD environment variable
         run: |
           if [[ '${{ runner.os }}' == 'Windows' ]]; then
-            echo "SCRIPT_CMD=./bootstrap.bat" >> $GITHUB_ENV
+            if [[ '${{ matrix.dc }}' = ldc* ]]; then
+              # avoid out-of-memory kills by using a single ninja job
+              echo "SCRIPT_CMD=cmd.exe //c call bootstrap.bat -j1" >> $GITHUB_ENV
+            else
+              echo "SCRIPT_CMD=cmd.exe //c call bootstrap.bat" >> $GITHUB_ENV
+            fi
           else
             echo "SCRIPT_CMD=./bootstrap.sh" >> $GITHUB_ENV
           fi
@@ -95,5 +87,5 @@ jobs:
         run: ${{ env.SCRIPT_CMD }}
 
       - name: "LDC: Bootstrap with DC=ldmd2"
-        if: matrix.dc == 'ldc-beta'
+        if: startsWith(matrix.dc, 'ldc')
         run: DC=ldmd2 ${{ env.SCRIPT_CMD }}
diff --git a/bootstrap.bat b/bootstrap.bat
index 3e9ff16d..2d51c33e 100644
--- a/bootstrap.bat
+++ b/bootstrap.bat
@@ -1,9 +1,7 @@
 @echo off
 setlocal
 
-set BACKEND=%1
 if "%BACKEND%" == "" set BACKEND=ninja
-
 if "%DC%" == "" set DC=dmd
 
 if exist bin rmdir /s /q bin
@@ -15,4 +13,4 @@ cd bin || exit /b
 
 echo Running bootstrapped reggae with backend %BACKEND%
 reggae -b "%BACKEND%" --dc="%DC%" .. || exit /b
-%BACKEND% || exit /b
+%BACKEND% %* || exit /b
diff --git a/dub.json b/dub.json
index c329ea37..f604dc3d 100644
--- a/dub.json
+++ b/dub.json
@@ -13,7 +13,7 @@
     "excludedSourceFiles": ["payload/reggae/buildgen_main.d"],
     "mainSourceFile": "src/reggae/reggae_main.d",
     "dependencies": {
-        "dub": "~>1.32.1"
+        "dub": "~>1.33.1"
     },
     "subConfigurations": {
         "dub": "library"
diff --git a/dub.selections.json b/dub.selections.json
index 9a404d06..4b66dccd 100644
--- a/dub.selections.json
+++ b/dub.selections.json
@@ -1,7 +1,7 @@
 {
 	"fileVersion": 1,
 	"versions": {
-		"dub": "1.32.1",
+		"dub": "1.33.1",
 		"unit-threaded": "2.1.2"
 	}
 }
diff --git a/payload/reggae/dub/info.d b/payload/reggae/dub/info.d
index 1d6e5a61..81d55f11 100644
--- a/payload/reggae/dub/info.d
+++ b/payload/reggae/dub/info.d
@@ -31,6 +31,7 @@ struct DubPackage {
     string[] dflags;
     string[] lflags;
     string[] importPaths;
+    string[] cImportPaths;
     string[] stringImportPaths;
     string[] files;
     TargetType targetType;
@@ -145,7 +146,8 @@ struct DubInfo {
         import std.string: indexOf, stripRight;
 
         const dubPackage = packages[dubPackageIndex];
-        const importPaths = dubPackage.packagePaths(dubPackage.importPaths);
+        const importPaths = dubPackage.packagePaths(
+            dubPackage.importPaths ~ dubPackage.cImportPaths);
         const stringImportPaths = dubPackage.packagePaths(dubPackage.stringImportPaths);
         const isMainPackage = dubPackageIndex == 0;
         //the path must be explicit for the other packages, implicit for the "main"
diff --git a/src/reggae/dub/interop/dublib.d b/src/reggae/dub/interop/dublib.d
index 8c40951e..51ca9181 100644
--- a/src/reggae/dub/interop/dublib.d
+++ b/src/reggae/dub/interop/dublib.d
@@ -333,7 +333,7 @@ class InfoGenerator: ProjectGenerator {
 
             enum sameNameProperties = [
                 "mainSourceFile", "dflags", "lflags", "importPaths",
-                "stringImportPaths", "versions", "libs",
+                "cImportPaths", "stringImportPaths", "versions", "libs",
             ];
             static foreach(prop; sameNameProperties) {
                 mixin(`pkg.`, prop, ` = newBuildSettings.`, prop, `;`);
diff --git a/src/reggae/dub/interop/fetch.d b/src/reggae/dub/interop/fetch.d
index 97233fa6..1f6775db 100644
--- a/src/reggae/dub/interop/fetch.d
+++ b/src/reggae/dub/interop/fetch.d
@@ -94,7 +94,8 @@ private bool pkgExistsOnFS(in VersionedPackage pkg) @safe {
 
     return buildPath(
         dubPackagesDir,
-        pkg.name ~ "-" ~ version_,
+        pkg.name,
+        version_,
         pkg.name ~ ".lock"
     ).exists;
 }