diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index 773cce5..c6bf800 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -27,7 +27,7 @@ jobs:
         uses: er28-0652/setup-ghidra@0.0.6
         if: steps.cache.outputs.cache-hit != 'true'
         with:
-          version: '10.4'
+          version: '11.1.2'
       - name: Download Z3
         uses: pavpanchekha/setup-z3@0.2.0
         if: steps.cache.outputs.cache-hit != 'true'
@@ -39,7 +39,7 @@ jobs:
         if: steps.cache.outputs.cache-hit == 'true'
         run: |
           echo "CPATH=/opt/hostedtoolcache/z3/4.8.15/x64/z3-4.8.15-x64-glibc-2.31/include" >> $GITHUB_ENV
-          echo "GHIDRA_INSTALL_DIR=/opt/hostedtoolcache/ghidra/10.4/x64" >> $GITHUB_ENV
+          echo "GHIDRA_INSTALL_DIR=/opt/hostedtoolcache/ghidra/11.1.2/x64" >> $GITHUB_ENV
       - name: Setup Z3
         run: |
           cp $CPATH/../bin/com.microsoft.z3.jar $GITHUB_WORKSPACE/lib/com.microsoft.z3.jar
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 0679b79..45c588a 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -27,7 +27,7 @@ jobs:
         uses: er28-0652/setup-ghidra@0.0.6
         if: steps.cache.outputs.cache-hit != 'true'
         with:
-          version: '10.4'
+          version: '11.1.2'
       - name: Download Z3
         uses: pavpanchekha/setup-z3@0.2.0
         if: steps.cache.outputs.cache-hit != 'true'
@@ -39,7 +39,7 @@ jobs:
         if: steps.cache.outputs.cache-hit == 'true'
         run: |
           echo "CPATH=/opt/hostedtoolcache/z3/4.8.15/x64/z3-4.8.15-x64-glibc-2.31/include" >> $GITHUB_ENV
-          echo "GHIDRA_INSTALL_DIR=/opt/hostedtoolcache/ghidra/10.4/x64" >> $GITHUB_ENV
+          echo "GHIDRA_INSTALL_DIR=/opt/hostedtoolcache/ghidra/11.1.2/x64" >> $GITHUB_ENV
       - name: Setup Z3
         run: |
           cp $CPATH/../bin/com.microsoft.z3.jar $GITHUB_WORKSPACE/lib/com.microsoft.z3.jar
diff --git a/src/main/java/com/bai/util/Utils.java b/src/main/java/com/bai/util/Utils.java
index 920f0b1..b090532 100644
--- a/src/main/java/com/bai/util/Utils.java
+++ b/src/main/java/com/bai/util/Utils.java
@@ -12,10 +12,15 @@
 import ghidra.app.util.bin.MemoryByteProvider;
 import ghidra.app.util.bin.format.elf.ElfException;
 import ghidra.app.util.bin.format.elf.ElfHeader;
+import ghidra.app.util.bin.format.macho.commands.EntryPointCommand;
+import ghidra.app.util.bin.format.macho.commands.LoadCommand;
+import ghidra.app.util.bin.format.macho.commands.LoadCommandTypes;
 import ghidra.app.util.bin.format.pe.PortableExecutable;
 import ghidra.app.util.bin.format.pe.OptionalHeader;
+import ghidra.app.util.bin.format.macho.MachHeader;
 import ghidra.app.util.opinion.ElfLoader;
 import ghidra.app.util.opinion.PeLoader;
+import ghidra.app.util.opinion.MachoLoader;
 import ghidra.program.model.address.Address;
 import ghidra.program.model.data.FunctionDefinitionDataType;
 import ghidra.program.model.data.IntegerDataType;
@@ -330,6 +335,15 @@ public static List<Reference> getReferences(List<String> symbolNames) {
             Logging.error("Empty symbol table");
             return new ArrayList<>();
         }
+
+        // OS X ABI for Mach-O format mangles C symbols by prepending an underscore (_) to symbols
+        if (GlobalState.currentProgram.getExecutableFormat().equals(MachoLoader.MACH_O_NAME)) {
+            List<String> machOMangledNames = symbolNames.stream()
+                    .map(name -> "_" + name)
+                    .toList();
+            symbolNames.addAll(machOMangledNames);
+        }
+
         return Stream.generate(() -> null)
                 .takeWhile(x -> symbolIterator.hasNext())
                 .map(n -> symbolIterator.next())
@@ -343,7 +357,7 @@ public static List<Reference> getReferences(List<String> symbolNames) {
     }
 
     /**
-     * Get the entry function of the ELF/PE executable.
+     * Get the entry function of the ELF/PE/MACH-O executable.
      * @return
      */
     public static Function getEntryFunction() {
@@ -371,7 +385,27 @@ public static Function getEntryFunction() {
                     entryAddress = entryAddress.add(GlobalState.currentProgram.getImageBase().getOffset());
                 }
                 break;
+                case MachoLoader.MACH_O_NAME: {
+                    MachHeader header = new MachHeader(provider);
+                    header.parse();
+
+                    if (!header.parseAndCheck(LoadCommandTypes.LC_MAIN)) {
+                        throw new RuntimeException("Could not locate the entrypoint of the Mach-O binary executable.");
+                    }
+
+                    Optional<LoadCommand> loadCommandOptional = header.getLoadCommands().stream()
+                            .filter(loadCommand -> loadCommand.getCommandType() == LoadCommandTypes.LC_MAIN)
+                            .findFirst();
 
+                    if (loadCommandOptional.isEmpty()) {
+                        throw new RuntimeException("Could not find the LC_MAIN load command in the Mach-O header.");
+                    }
+
+                    entryAddress = (GlobalState.currentProgram.getImageBase())
+                            .add(((EntryPointCommand) loadCommandOptional.get()).getEntryOffset());
+
+                }
+                break;
                 default:
                     throw new Exception("Unsupported file format.");
             }