diff --git a/.circleci/config.yml b/.circleci/config.yml
index eafd8ff9aeff57fdf67c41a123d5a90421a5797b..7c7f8168f6b2ede52f1e0156386b1b9bb6f17686 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -10,9 +10,26 @@ aliases:
     only_for_branches: master
 
 commands:
+  install-pyenv-on-macos:
+    steps:
+      - run:
+          name: Install pyenv on macos
+          command: |
+            HOMEBREW_NO_AUTO_UPDATE=1 brew install pyenv
+
+  increase-max-open-files-on-macos:
+    steps:
+      - run:
+          name: Increase max open files
+          command: |
+            sudo sysctl -w kern.maxfiles=1048576
+            sudo sysctl -w kern.maxfilesperproc=1048576
+            sudo launchctl limit maxfiles 1048576
+
   pre-steps:
     steps:
       - checkout
+      - run: pyenv install --skip-existing 3.5.9
       - run: pyenv global 3.5.9
       - run:
           name: Setup Environment Variables
@@ -46,6 +63,13 @@ commands:
           name: Install gflags
           command: |
             sudo apt-get update -y && sudo apt-get install -y libgflags-dev
+  
+  install-gflags-on-macos:
+    steps:
+      - run:
+          name: Install gflags on macos
+          command: |
+            HOMEBREW_NO_AUTO_UPDATE=1 brew install gflags
 
   install-gtest-parallel:
     steps:
@@ -63,6 +87,17 @@ executors:
       shell: bash.exe
 
 jobs:
+  build-macos:
+    macos:
+      xcode: 11.3.0
+    steps:
+      - increase-max-open-files-on-macos
+      - install-pyenv-on-macos
+      - pre-steps
+      - install-gflags-on-macos
+      - run: ulimit -S -n 1048576 && OPT=-DCIRCLECI make V=1 J=32 -j32 check | .circleci/cat_ignore_eagain
+      - post-steps
+
   build-linux:
     machine:
       image: ubuntu-1604:202007-01
@@ -419,3 +454,6 @@ workflows:
   build-linux-gcc-4-8:
     jobs:
       - build-linux-gcc-4-8
+  build-macos:
+    jobs:
+      - build-macos
diff --git a/util/rate_limiter_test.cc b/util/rate_limiter_test.cc
index 87591923fb1ac56b13e72fb0bd31da32dccfc86f..228837aa6cbbae0846b31f639b6e7266f2890441 100644
--- a/util/rate_limiter_test.cc
+++ b/util/rate_limiter_test.cc
@@ -59,7 +59,7 @@ TEST_F(RateLimiterTest, Modes) {
   }
 }
 
-#if !(defined(TRAVIS) && defined(OS_MACOSX))
+#if !((defined(TRAVIS) || defined(CIRCLECI)) && defined(OS_MACOSX))
 TEST_F(RateLimiterTest, Rate) {
   auto* env = Env::Default();
   struct Arg {