diff --git a/WORKSPACE b/WORKSPACE
index b468abaf..6dab3d95 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -1,75 +1,22 @@
 workspace(name = "com_github_google_benchmark")
 
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+load("//:bazel/benchmark_deps.bzl", "benchmark_deps")
 
-
-http_archive(
-    name = "bazel_skylib",
-    urls = [
-        "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 = "f7be3474d42aae265405a592bb7da8e171919d74c16f082a5457840f06054728",
-)
-
-# https://github.com/bazelbuild/rules_foreign_cc/
-http_archive(
-    name = "rules_foreign_cc",
-    sha256 = "bcd0c5f46a49b85b384906daae41d277b3dc0ff27c7c752cc51e43048a58ec83",
-    strip_prefix = "rules_foreign_cc-0.7.1",
-    url = "https://github.com/bazelbuild/rules_foreign_cc/archive/0.7.1.tar.gz",
-)
+benchmark_deps()
 
 load("@rules_foreign_cc//foreign_cc:repositories.bzl", "rules_foreign_cc_dependencies")
+
 rules_foreign_cc_dependencies()
 
-http_archive(
-    name = "com_google_absl",
-    sha256 = "f41868f7a938605c92936230081175d1eae87f6ea2c248f41077c8f88316f111",
-    strip_prefix = "abseil-cpp-20200225.2",
-    urls = ["https://github.com/abseil/abseil-cpp/archive/20200225.2.tar.gz"],
-)
-
-git_repository(
-    name = "com_google_googletest",
-    remote = "https://github.com/google/googletest.git",
-    tag = "release-1.11.0",
-)
-
-# Downloaded from v4.9.0 tag at https://sourceforge.net/p/perfmon2/libpfm4/ref/master/tags/
-http_archive(
-    name = "libpfm",
-    build_file = "//tools:libpfm.BUILD.bazel",
-    sha256 = "5da5f8872bde14b3634c9688d980f68bda28b510268723cc12973eedbab9fecc",
-    type = "tar.gz",
-    strip_prefix = "libpfm-4.11.0",
-    urls = ["https://sourceforge.net/projects/perfmon2/files/libpfm4/libpfm-4.11.0.tar.gz/download"],
-)
-
-http_archive(
-    name = "pybind11",
-    build_file = "@//bindings/python:pybind11.BUILD",
-    sha256 = "eacf582fa8f696227988d08cfc46121770823839fe9e301a20fbce67e7cd70ec",
-    strip_prefix = "pybind11-2.10.0",
-    urls = ["https://github.com/pybind/pybind11/archive/v2.10.0.tar.gz"],
-)
-
-new_local_repository(
-    name = "python_headers",
-    build_file = "@//bindings/python:python_headers.BUILD",
-    path = "/usr/include/python3.6",  # May be overwritten by setup.py.
-)
-
-http_archive(
-    name = "rules_python",
-    url = "https://github.com/bazelbuild/rules_python/releases/download/0.1.0/rules_python-0.1.0.tar.gz",
-    sha256 = "b6d46438523a3ec0f3cead544190ee13223a52f6a6765a29eae7b7cc24cc83a0",
-)
-
 load("@rules_python//python:pip.bzl", pip3_install="pip_install")
 
 pip3_install(
    name = "py_deps",
    requirements = "//:requirements.txt",
 )
+
+new_local_repository(
+    name = "python_headers",
+    build_file = "@//bindings/python:python_headers.BUILD",
+    path = "/usr/include/python3.6",  # May be overwritten by setup.py.
+)
diff --git a/bazel/benchmark_deps.bzl b/bazel/benchmark_deps.bzl
new file mode 100644
index 00000000..03f8ca42
--- /dev/null
+++ b/bazel/benchmark_deps.bzl
@@ -0,0 +1,65 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+
+def benchmark_deps():
+    """Loads dependencies required to build Google Benchmark."""
+
+    if "bazel_skylib" not in native.existing_rules():
+        http_archive(
+            name = "bazel_skylib",
+            sha256 = "f7be3474d42aae265405a592bb7da8e171919d74c16f082a5457840f06054728",
+            urls = [
+                "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",
+            ],
+        )
+
+    if "rules_foreign_cc" not in native.existing_rules():
+        http_archive(
+            name = "rules_foreign_cc",
+            sha256 = "bcd0c5f46a49b85b384906daae41d277b3dc0ff27c7c752cc51e43048a58ec83",
+            strip_prefix = "rules_foreign_cc-0.7.1",
+            url = "https://github.com/bazelbuild/rules_foreign_cc/archive/0.7.1.tar.gz",
+        )
+
+    if "rules_python" not in native.existing_rules():
+        http_archive(
+            name = "rules_python",
+            url = "https://github.com/bazelbuild/rules_python/releases/download/0.1.0/rules_python-0.1.0.tar.gz",
+            sha256 = "b6d46438523a3ec0f3cead544190ee13223a52f6a6765a29eae7b7cc24cc83a0",
+        )
+
+    if "com_google_absl" not in native.existing_rules():
+        http_archive(
+            name = "com_google_absl",
+            sha256 = "f41868f7a938605c92936230081175d1eae87f6ea2c248f41077c8f88316f111",
+            strip_prefix = "abseil-cpp-20200225.2",
+            urls = ["https://github.com/abseil/abseil-cpp/archive/20200225.2.tar.gz"],
+        )
+
+    if "com_google_googletest" not in native.existing_rules():
+        git_repository(
+            name = "com_google_googletest",
+            remote = "https://github.com/google/googletest.git",
+            tag = "release-1.11.0",
+        )
+
+    if "pybind11" not in native.existing_rules():
+        http_archive(
+            name = "pybind11",
+            build_file = "@//bindings/python:pybind11.BUILD",
+            sha256 = "eacf582fa8f696227988d08cfc46121770823839fe9e301a20fbce67e7cd70ec",
+            strip_prefix = "pybind11-2.10.0",
+            urls = ["https://github.com/pybind/pybind11/archive/v2.10.0.tar.gz"],
+        )
+
+    if "libpfm" not in native.existing_rules():
+        # Downloaded from v4.9.0 tag at https://sourceforge.net/p/perfmon2/libpfm4/ref/master/tags/
+        http_archive(
+            name = "libpfm",
+            build_file = "//tools:libpfm.BUILD.bazel",
+            sha256 = "5da5f8872bde14b3634c9688d980f68bda28b510268723cc12973eedbab9fecc",
+            type = "tar.gz",
+            strip_prefix = "libpfm-4.11.0",
+            urls = ["https://sourceforge.net/projects/perfmon2/files/libpfm4/libpfm-4.11.0.tar.gz/download"],
+        )
\ No newline at end of file