diff --git a/Sources/SWBCSupport/CLibclang.cpp b/Sources/SWBCSupport/CLibclang.cpp
index ffc1af1b..5d2779c6 100644
--- a/Sources/SWBCSupport/CLibclang.cpp
+++ b/Sources/SWBCSupport/CLibclang.cpp
@@ -867,6 +867,9 @@ extern "C" {
             int argc, const char *const *argv, const char *ModuleName, const char *WorkingDirectory,
             const char *ReproducerLocation, bool UseUniqueReproducerName);
 
+        void (*clang_experimental_DependencyScannerReproducerOptions_setCASOptions)(
+            CXDependencyScannerReproducerOptions, CXCASDatabases, CXCASOptions);
+
         void (*clang_experimental_DependencyScannerReproducerOptions_dispose)(CXDependencyScannerReproducerOptions);
 
         /**
@@ -1449,6 +1452,7 @@ struct LibclangWrapper {
         LOOKUP_OPTIONAL(clang_experimental_cas_ReplayResult_getStderr);
         LOOKUP_OPTIONAL(clang_experimental_DependencyScanner_generateReproducer);
         LOOKUP_OPTIONAL(clang_experimental_DependencyScannerReproducerOptions_create);
+        LOOKUP_OPTIONAL(clang_experimental_DependencyScannerReproducerOptions_setCASOptions);
         LOOKUP_OPTIONAL(clang_experimental_DependencyScannerReproducerOptions_dispose);
         LOOKUP_OPTIONAL(clang_experimental_DependencyScannerServiceOptions_create);
         LOOKUP_OPTIONAL(clang_experimental_DependencyScannerServiceOptions_dispose);
@@ -2214,11 +2218,16 @@ extern "C" {
                                               int argc, char *const *argv,
                                               const char *workingDirectory,
                                               const char *reproducerLocation,
+                                              libclang_casdatabases_t casDBs,
+                                              libclang_casoptions_t casOpts,
                                               const char **message) {
         auto lib = scanner->scanner->lib;
         LibclangFunctions::CXString messageString;
         auto reproducerOpts = lib->fns.clang_experimental_DependencyScannerReproducerOptions_create(
             argc, argv, /*ModuleName=*/nullptr, workingDirectory, reproducerLocation, /*UseUniqueReproducerName=*/true);
+        if (lib->fns.clang_experimental_DependencyScannerReproducerOptions_setCASOptions)
+            lib->fns.clang_experimental_DependencyScannerReproducerOptions_setCASOptions(
+                reproducerOpts, casDBs ? casDBs->dbs.casDBs : nullptr, casOpts ? casOpts->opts.casOpts : nullptr);
         auto result = lib->fns.clang_experimental_DependencyScanner_generateReproducer(
             reproducerOpts, &messageString);
         lib->fns.clang_experimental_DependencyScannerReproducerOptions_dispose(reproducerOpts);
diff --git a/Sources/SWBCSupport/CLibclang.h b/Sources/SWBCSupport/CLibclang.h
index 4cda6fc5..f13a20a0 100644
--- a/Sources/SWBCSupport/CLibclang.h
+++ b/Sources/SWBCSupport/CLibclang.h
@@ -222,7 +222,8 @@ CSUPPORT_EXPORT bool libclang_scanner_scan_dependencies(
 /// \returns True on success, false if something failed (see \p message for more details).
 CSUPPORT_EXPORT bool libclang_scanner_generate_reproducer(
     libclang_scanner_t scanner, int argc, char *const *argv, const char *workingDirectory,
-    const char *reproducerLocation, const char **message);
+    const char *reproducerLocation,
+    libclang_casdatabases_t, libclang_casoptions_t, const char **message);
 
 /// Get the list of commands invoked by the given Clang driver command line.
 ///
diff --git a/Sources/SWBCore/LibclangVendored/Libclang.swift b/Sources/SWBCore/LibclangVendored/Libclang.swift
index 06125dd9..8257432c 100644
--- a/Sources/SWBCore/LibclangVendored/Libclang.swift
+++ b/Sources/SWBCore/LibclangVendored/Libclang.swift
@@ -292,13 +292,14 @@ public final class DependencyScanner {
     public func generateReproducer(
         commandLine: [String],
         workingDirectory: String,
-        location: String?
+        location: String?,
+        casDBs: ClangCASDatabases?, casOpts: ClangCASOptions?
     ) throws -> String {
         let args = CStringArray(commandLine)
         var messageUnsafe: UnsafePointer<Int8>!
         defer { messageUnsafe?.deallocate() }
         // The count is `- 1` here, because CStringArray appends a trailing nullptr.
-        let success = libclang_scanner_generate_reproducer(scanner, CInt(args.cArray.count - 1), args.cArray, workingDirectory, location, &messageUnsafe);
+        let success = libclang_scanner_generate_reproducer(scanner, CInt(args.cArray.count - 1), args.cArray, workingDirectory, location, casDBs?.dbs, casOpts?.options, &messageUnsafe);
         let message = String(cString: messageUnsafe)
         guard success else {
             throw message.isEmpty ? Error.dependencyScanUnknownError : Error.dependencyScanErrorString(message)
diff --git a/Sources/SWBTaskExecution/DynamicTaskSpecs/ClangModuleDependencyGraph.swift b/Sources/SWBTaskExecution/DynamicTaskSpecs/ClangModuleDependencyGraph.swift
index 2f787667..dcdfad2b 100644
--- a/Sources/SWBTaskExecution/DynamicTaskSpecs/ClangModuleDependencyGraph.swift
+++ b/Sources/SWBTaskExecution/DynamicTaskSpecs/ClangModuleDependencyGraph.swift
@@ -213,11 +213,13 @@ package final class ClangModuleDependencyGraph {
         let libclang: Libclang
         let scanner: DependencyScanner
         let casDBs: ClangCASDatabases?
+        let casOptsForInvocations: ClangCASOptions?
 
         init(libclang: Libclang, casDBs: ClangCASDatabases?, casOptsForInvocations: ClangCASOptions?) throws {
             self.libclang = libclang
             self.scanner = try libclang.createScanner(casDBs: casDBs, casOpts: casOptsForInvocations)
             self.casDBs = casDBs
+            self.casOptsForInvocations = casOptsForInvocations
         }
     }
 
@@ -583,7 +585,8 @@ package final class ClangModuleDependencyGraph {
             return nil
         }
         return try clangWithScanner.scanner.generateReproducer(
-            commandLine: dependency.scanningCommandLine, workingDirectory: dependency.workingDirectory.str, location: location)
+            commandLine: dependency.scanningCommandLine, workingDirectory: dependency.workingDirectory.str, location: location,
+            casDBs: clangWithScanner.casDBs, casOpts: clangWithScanner.casOptsForInvocations)
     }
 
     package var isEmpty: Bool {