diff --git a/capi/make_test_osx.sh b/capi/make_test_osx.sh
index e1c4835..384afe9 100755
--- a/capi/make_test_osx.sh
+++ b/capi/make_test_osx.sh
@@ -1,4 +1,4 @@
-go build -a -o capi.dynlib -buildmode=c-shared -ldflags="-extldflags=-Wl,-install_name,@rpath/capi.dynlib -s -w" capi.go
+CGO_CFLAGS=-mmacosx-version-min=10.13 CGO_LDFLAGS=-mmacosx-version-min=10.13 go build -a -o capi.dynlib -buildmode=c-shared -ldflags="-extldflags=-Wl,-install_name,@rpath/capi.dynlib -s -w" capi.go
 
 gcc -O3 -c test.c -o test.o
 gcc -O3 -L../../rxlib/ test.o capi.dynlib ../../rxlib/rxlib.cpp.o -lrandomx -lstdc++ -lm -rpath `pwd` -o test