diff --git a/.github/workflows/BuildAndTest.yml b/.github/workflows/BuildAndTest.yml
index 1cc6649f..7d778c87 100644
--- a/.github/workflows/BuildAndTest.yml
+++ b/.github/workflows/BuildAndTest.yml
@@ -23,3 +23,7 @@ jobs:
       run: make build_for_testing_ios
     - name: Test for iOS
       run: make test_without_building_ios
+    - name: Build for watchOS
+      run: make build_for_testing_watchos
+    - name: Test for watchOS
+      run: make test_without_building_watchos
diff --git a/Makefile b/Makefile
index f2f0b174..c6ce8ae0 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,12 @@ XCODEBUILD_OPTIONS_IOS=\
 	-scheme $(PROJECT_NAME) \
 	-workspace .
 
+XCODEBUILD_OPTIONS_WATCHOS=\
+	-configuration Debug \
+	-destination platform='watchOS Simulator,name=Apple Watch Series 8 (45mm),OS=latest' \
+	-scheme $(PROJECT_NAME) \
+	-workspace .
+
 .PHONY: setup_brew
 setup_brew:
 	brew update && brew install xcbeautify
@@ -18,6 +24,10 @@ build_ios:
 build_for_testing_ios:
 	set -o pipefail && xcodebuild $(XCODEBUILD_OPTIONS_IOS) build-for-testing | xcbeautify
 
+.PHONY: build_for_testing_watchos
+build_for_testing_watchos:
+	set -o pipefail && xcodebuild $(XCODEBUILD_OPTIONS_WATCHOS) build-for-testing | xcbeautify
+
 .PHONY: test_ios
 test_ios:
 	set -o pipefail && xcodebuild $(XCODEBUILD_OPTIONS_IOS) test | xcbeautify
@@ -25,3 +35,7 @@ test_ios:
 .PHONY: test_without_building_ios
 test_without_building_ios:
 	set -o pipefail && xcodebuild $(XCODEBUILD_OPTIONS_IOS) test-without-building | xcbeautify
+
+.PHONY: test_without_building_watchos
+test_without_building_watchos:
+	set -o pipefail && xcodebuild $(XCODEBUILD_OPTIONS_WATCHOS) test-without-building | xcbeautify