diff --git a/.gitmodules b/.gitmodules
index d2ac847..424f86b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "extern/gtest"]
-	path = extern/gtest
-	url = https://github.com/google/googletest
+[submodule "extern/ftest"]
+	path = extern/ftest
+	url = https://github.com/nemtrif/ftest
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e63087..c766221 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,6 +38,5 @@ endif()
 
 if(UTF8_TESTS)
     enable_testing()
-    add_subdirectory(extern/gtest)
     add_subdirectory(tests)
 endif()
diff --git a/extern/ftest b/extern/ftest
new file mode 160000
index 0000000..9c7e60c
--- /dev/null
+++ b/extern/ftest
@@ -0,0 +1 @@
+Subproject commit 9c7e60cc1b7c76f59e2ffbbc3dad15bafc5cdac5
diff --git a/extern/gtest b/extern/gtest
deleted file mode 160000
index 2fe3bd9..0000000
--- a/extern/gtest
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2fe3bd994b3189899d93f1d5a881e725e046fdc2
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 06e0d7e..7aacc87 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -13,27 +13,24 @@ add_executable(noexceptionstests
 )
 
 target_link_libraries(negative PRIVATE utf8::cpp)
-target_link_libraries(cpp11 PRIVATE
-    utf8::cpp
-    gtest_main
-    )
-target_link_libraries(apitests PRIVATE
-    utf8::cpp
-    gtest_main
-)
+target_link_libraries(cpp11 PRIVATE utf8::cpp)
+target_link_libraries(apitests PRIVATE utf8::cpp)
+target_link_libraries(noexceptionstests PRIVATE utf8::cpp)
 
-target_link_libraries(noexceptionstests PRIVATE
-    utf8::cpp
-    gtest_main
-)
 target_compile_options(noexceptionstests PUBLIC -fno-exceptions)
 
-set_target_properties(negative
+set_target_properties(negative apitests noexceptionstests
                       PROPERTIES
                       CXX_STANDARD 98
                       CXX_STANDARD_REQUIRED YES
                       CXX_EXTENSIONS NO)
 
+set_target_properties(cpp11
+                      PROPERTIES
+                      CXX_STANDARD 11
+                      CXX_STANDARD_REQUIRED YES
+                      CXX_EXTENSIONS NO)
+
 add_test(negative_test negative ${PROJECT_SOURCE_DIR}/tests/test_data/utf8_invalid.txt)
 add_test(cpp11_test cpp11)
 add_test(api_test apitests)
diff --git a/tests/test_checked_api.cpp b/tests/test_checked_api.cpp
index 6787da6..b57e1bc 100644
--- a/tests/test_checked_api.cpp
+++ b/tests/test_checked_api.cpp
@@ -1,4 +1,5 @@
-#include "gtest/gtest.h"
+#define F_TEST_NO_MAIN
+#include "../extern/ftest/ftest.h"
 #include "utf8.h"
 
 #include <string>
diff --git a/tests/test_checked_iterator.cpp b/tests/test_checked_iterator.cpp
index 4c44834..3f9bfe9 100644
--- a/tests/test_checked_iterator.cpp
+++ b/tests/test_checked_iterator.cpp
@@ -1,4 +1,5 @@
-#include "gtest/gtest.h"
+#define F_TEST_NO_MAIN
+#include "../extern/ftest/ftest.h"
 #include "utf8.h"
 
 using namespace utf8;
diff --git a/tests/test_cpp11.cpp b/tests/test_cpp11.cpp
index edcff9d..ac9177b 100644
--- a/tests/test_cpp11.cpp
+++ b/tests/test_cpp11.cpp
@@ -1,4 +1,4 @@
-#include "gtest/gtest.h"
+#include "../extern/ftest/ftest.h"
 #include "utf8.h"
 #include <string>
 using namespace utf8;
diff --git a/tests/test_unchecked_api.cpp b/tests/test_unchecked_api.cpp
index e9f19ca..c400ada 100644
--- a/tests/test_unchecked_api.cpp
+++ b/tests/test_unchecked_api.cpp
@@ -1,4 +1,4 @@
-#include "gtest/gtest.h"
+#include "../extern/ftest/ftest.h"
 #include "utf8/unchecked.h"
 
 #include <string>
diff --git a/tests/test_unchecked_iterator.cpp b/tests/test_unchecked_iterator.cpp
index 103e8e2..68943bf 100644
--- a/tests/test_unchecked_iterator.cpp
+++ b/tests/test_unchecked_iterator.cpp
@@ -1,4 +1,6 @@
-#include "gtest/gtest.h"
+#define F_TEST_NO_MAIN
+#include "../extern/ftest/ftest.h"
+
 #include "utf8/unchecked.h"
 
 using namespace utf8::unchecked;