diff --git a/constants.bzl b/constants.bzl
index 39263c4..e7e7e64 100644
--- a/constants.bzl
+++ b/constants.bzl
@@ -2,8 +2,5 @@
 Various constants used to build bazel-diff
 """
 
-DEFAULT_JVM_EXTERNAL_TAG = "3.3"
-
-RULES_JVM_EXTERNAL_SHA = "d85951a92c0908c80bd8551002d66cb23c3434409c814179c0ff026b53544dab"
-
-BUILD_PROTO_MESSAGE_SHA = "50b79faec3c4154bed274371de5678b221165e38ab59c6167cc94b922d9d9152"
+DEFAULT_JVM_EXTERNAL_TAG = "4.2"
+RULES_JVM_EXTERNAL_SHA = "cd1a77b7b02e8e008439ca76fd34f5b07aecb8c752961f9640dea15e9e5ba1ca"
diff --git a/repositories.bzl b/repositories.bzl
index 7b77f59..6e9ed0b 100644
--- a/repositories.bzl
+++ b/repositories.bzl
@@ -15,20 +15,19 @@ def bazel_diff_dependencies(rules_jvm_external_tag=DEFAULT_JVM_EXTERNAL_TAG,
         http_archive,
         name = "bazel_skylib",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.2/bazel-skylib-1.0.2.tar.gz",
-            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.2/bazel-skylib-1.0.2.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz",
+            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz",
         ],
-        sha256 = "97e70364e9249702246c0e9444bccdc4b847bed1eb03c5a3ece4f83dfe6abc44",
+        sha256 = "f7be3474d42aae265405a592bb7da8e171919d74c16f082a5457840f06054728",
     )
 
     _maybe(
         http_archive,
         name = "rules_proto",
-        sha256 = "602e7161d9195e50246177e7c55b2f39950a9cf7366f74ed5f22fd45750cd208",
-        strip_prefix = "rules_proto-97d8af4dc474595af3900dd85cb3a29ad28cc313",
+        sha256 = "c22cfcb3f22a0ae2e684801ea8dfed070ba5bed25e73f73580564f250475e72d",
+        strip_prefix = "rules_proto-4.0.0-3.19.2",
         urls = [
-            "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
-            "https://github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+            "https://github.com/bazelbuild/rules_proto/archive/refs/tags/4.0.0-3.19.2.tar.gz",
         ],
     )
 
diff --git a/src/main/java/com/bazel_diff/GitClient.java b/src/main/java/com/bazel_diff/GitClient.java
deleted file mode 100644
index 7518ffe..0000000
--- a/src/main/java/com/bazel_diff/GitClient.java
+++ /dev/null
@@ -1,81 +0,0 @@
-package com.bazel_diff;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.nio.file.Path;
-import java.util.List;
-import java.util.Set;
-import java.util.stream.Collectors;
-
-interface GitClient {
-    File getRepoRootDirectory() throws IOException, InterruptedException, GitClientException;
-    Set<Path> getModifiedFilepaths(String startRevision, String endRevision) throws IOException, InterruptedException;
-    void checkoutRevision(String revision) throws IOException, InterruptedException;
-    String getHeadSha() throws GitClientException, IOException, InterruptedException;
-    void ensureAllChangesAreCommitted() throws IOException, InterruptedException, GitClientException;
-}
-
-class GitClientException extends Exception
-{
-    GitClientException(String message)
-    {
-        super(message);
-    }
-}
-
-class GitClientImpl implements GitClient {
-    private Path workingDirectory;
-
-    GitClientImpl(Path workingDirectory) {
-        this.workingDirectory = workingDirectory;
-    }
-
-    @Override
-    public File getRepoRootDirectory() throws IOException, InterruptedException, GitClientException {
-        List<String> gitOutput = performGitCommand("git", "rev-parse", "--show-toplevel");
-        if (gitOutput.get(0) == null) {
-            throw new GitClientException("Unable to determine Git root directory, is this a Git repository");
-        }
-        return new File(gitOutput.get(0));
-    }
-
-    @Override
-    public Set<Path> getModifiedFilepaths(String startRevision, String endRevision) throws IOException, InterruptedException {
-        List<String> gitOutput = performGitCommand("git", "diff", "--name-only", startRevision, endRevision);
-        return gitOutput.stream().map( path -> new File(path).toPath()).collect(Collectors.toSet());
-    }
-
-    @Override
-    public void checkoutRevision(String revision) throws IOException, InterruptedException {
-        performGitCommand("git", "checkout", revision, "--quiet");
-    }
-
-    @Override
-    public String getHeadSha() throws GitClientException, IOException, InterruptedException {
-        List<String> gitOutput = performGitCommand("git", "rev-parse", "HEAD");
-        if (gitOutput.get(0) == null) {
-            throw new GitClientException("Unable to determine HEAD revision SHA");
-        }
-        return gitOutput.get(0);
-    }
-
-    @Override
-    public void ensureAllChangesAreCommitted() throws IOException, InterruptedException, GitClientException {
-        List<String> gitOutput = performGitCommand("git", "status", "--porcelain");
-        if (gitOutput.size() > 0) {
-            throw new GitClientException("There are working changes in the directory, please commit them and try again");
-        }
-    }
-
-    private List<String> performGitCommand(String... command) throws IOException, InterruptedException {
-        ProcessBuilder pb = new ProcessBuilder(
-            command
-        );
-        pb.directory(workingDirectory.toFile());
-        Process process = pb.start();
-        BufferedReader buffer = new BufferedReader( new InputStreamReader(process.getInputStream()));
-        return buffer.lines().collect(Collectors.toList());
-    }
-}
diff --git a/src/main/java/com/bazel_diff/main.java b/src/main/java/com/bazel_diff/main.java
index 6ed7eac..2582929 100644
--- a/src/main/java/com/bazel_diff/main.java
+++ b/src/main/java/com/bazel_diff/main.java
@@ -115,7 +115,6 @@ public Integer call() throws IOException {
             System.out.println("outputPath was not provided! Exiting");
             return ExitCode.USAGE;
         }
-        GitClient gitClient = new GitClientImpl(workspacePath);
         BazelClient bazelClient = new BazelClientImpl(
                 workspacePath,
                 bazelPath,
@@ -125,15 +124,6 @@ public Integer call() throws IOException {
                 keepGoing
         );
         TargetHashingClient hashingClient = new TargetHashingClientImpl(bazelClient, new FilesClientImp());
-        try {
-            gitClient.ensureAllChangesAreCommitted();
-        } catch (IOException | InterruptedException e) {
-            e.printStackTrace();
-            return ExitCode.SOFTWARE;
-        } catch (GitClientException e) {
-            System.out.println(String.format("There are active changes in '%s', please commit these changes before running bazel-diffs", workspacePath));
-            return ExitCode.USAGE;
-        }
         Gson gson = new Gson();
         FileReader startingFileReader;
         FileReader finalFileReader;