diff --git a/Makefile b/Makefile
index 51e8d87c6..250244f36 100644
--- a/Makefile
+++ b/Makefile
@@ -181,10 +181,10 @@ dev-deps:
 	GO111MODULE=off go get -u github.com/sqs/goreturns
 
 test-with-coverage:
-	$(GO_TEST) -count=1 -coverprofile=tmp.cov --coverpkg $(COVERAGE_PACKAGES) -timeout 90s $(shell go list ./...)
+	$(GO_TEST) -count=1 -coverprofile=tmp.cov --coverpkg $(COVERAGE_PACKAGES) -timeout 300s $(shell go list ./...)
 
 test-with-coverage-pkgonly:
-	$(GO_TEST) -count=1 -coverprofile=tmp.cov -timeout 90s github.com/kopia/kopia/...
+	$(GO_TEST) -count=1 -coverprofile=tmp.cov -timeout 300s github.com/kopia/kopia/...
 
 test:
 	$(GO_TEST) -count=1 -timeout $(UNIT_TESTS_TIMEOUT) ./...