diff --git a/unittest/apiexample_test.cc b/unittest/apiexample_test.cc
index b5ba6f60d..5a721fa3a 100644
--- a/unittest/apiexample_test.cc
+++ b/unittest/apiexample_test.cc
@@ -97,12 +97,12 @@ TEST_P(MatchGroundTruth, TessPhototestOCR) {
             TESSDATA_DIR, GetParam());
 }
 
-INSTANTIATE_TEST_CASE_P(Eng, MatchGroundTruth, ::testing::Values("eng"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Latin, MatchGroundTruth,
+INSTANTIATE_TEST_SUITE_P(Eng, MatchGroundTruth, ::testing::Values("eng"));
+INSTANTIATE_TEST_SUITE_P(DISABLED_Latin, MatchGroundTruth,
                         ::testing::Values("script/Latin"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Deva, MatchGroundTruth,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Deva, MatchGroundTruth,
                         ::testing::Values("script/Devanagari"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Arabic, MatchGroundTruth,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Arabic, MatchGroundTruth,
                         ::testing::Values("script/Arabic"));
 
 class EuroText : public QuickTest {};
diff --git a/unittest/loadlang_test.cc b/unittest/loadlang_test.cc
index ae65a6851..ba7a9f6d6 100644
--- a/unittest/loadlang_test.cc
+++ b/unittest/loadlang_test.cc
@@ -172,11 +172,11 @@ TEST_P(LoadLanguage, vie) { LangLoader("vie", GetParam()); }
 TEST_P(LoadLanguage, yid) { LangLoader("yid", GetParam()); }
 TEST_P(LoadLanguage, yor) { LangLoader("yor", GetParam()); }
 
-INSTANTIATE_TEST_CASE_P(DISABLED_Tessdata_fast, LoadLanguage,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Tessdata_fast, LoadLanguage,
                         ::testing::Values(TESSDATA_DIR "_fast"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Tessdata_best, LoadLanguage,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Tessdata_best, LoadLanguage,
                         ::testing::Values(TESSDATA_DIR "_best"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Tessdata, LoadLanguage,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Tessdata, LoadLanguage,
                         ::testing::Values(TESSDATA_DIR));
 
 // For all scripts
@@ -228,11 +228,11 @@ TEST_P(LoadScript, Thai) { LangLoader("script/Thai", GetParam()); }
 TEST_P(LoadScript, Tibetan) { LangLoader("script/Tibetan", GetParam()); }
 TEST_P(LoadScript, Vietnamese) { LangLoader("script/Vietnamese", GetParam()); }
 
-INSTANTIATE_TEST_CASE_P(DISABLED_Tessdata_fast, LoadScript,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Tessdata_fast, LoadScript,
                         ::testing::Values(TESSDATA_DIR "_fast"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Tessdata_best, LoadScript,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Tessdata_best, LoadScript,
                         ::testing::Values(TESSDATA_DIR "_best"));
-INSTANTIATE_TEST_CASE_P(DISABLED_Tessdata, LoadScript,
+INSTANTIATE_TEST_SUITE_P(DISABLED_Tessdata, LoadScript,
                         ::testing::Values(TESSDATA_DIR));
 
 class LoadLang : public QuickTest {};
diff --git a/unittest/osd_test.cc b/unittest/osd_test.cc
index 977a9a329..5100a6f90 100644
--- a/unittest/osd_test.cc
+++ b/unittest/osd_test.cc
@@ -72,7 +72,7 @@ TEST_P(OSDTest, MatchOrientationDegrees) {
 #endif
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataEngEuroHebrew, OSDTest,
     ::testing::Combine(::testing::Values(0),
                        ::testing::Values(TESTING_DIR "/phototest.tif",
@@ -80,7 +80,7 @@ INSTANTIATE_TEST_CASE_P(
                                          TESTING_DIR "/hebrew.png"),
                        ::testing::Values(TESSDATA_DIR)));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataBestEngEuroHebrew, OSDTest,
     ::testing::Combine(::testing::Values(0),
                        ::testing::Values(TESTING_DIR "/phototest.tif",
@@ -88,7 +88,7 @@ INSTANTIATE_TEST_CASE_P(
                                          TESTING_DIR "/hebrew.png"),
                        ::testing::Values(TESSDATA_DIR "_best")));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataFastEngEuroHebrew, OSDTest,
     ::testing::Combine(::testing::Values(0),
                        ::testing::Values(TESTING_DIR "/phototest.tif",
@@ -96,35 +96,35 @@ INSTANTIATE_TEST_CASE_P(
                                          TESTING_DIR "/hebrew.png"),
                        ::testing::Values(TESSDATA_DIR "_fast")));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataFastRotated90, OSDTest,
     ::testing::Combine(::testing::Values(90),
                        ::testing::Values(TESTING_DIR
                                          "/phototest-rotated-R.png"),
                        ::testing::Values(TESSDATA_DIR "_fast")));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataFastRotated180, OSDTest,
     ::testing::Combine(::testing::Values(180),
                        ::testing::Values(TESTING_DIR
                                          "/phototest-rotated-180.png"),
                        ::testing::Values(TESSDATA_DIR "_fast")));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataFastRotated270, OSDTest,
     ::testing::Combine(::testing::Values(270),
                        ::testing::Values(TESTING_DIR
                                          "/phototest-rotated-L.png"),
                        ::testing::Values(TESSDATA_DIR "_fast")));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataFastDevaRotated270, OSDTest,
     ::testing::Combine(::testing::Values(270),
                        ::testing::Values(TESTING_DIR
                                          "/devatest-rotated-270.png"),
                        ::testing::Values(TESSDATA_DIR "_fast")));
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     TessdataFastDeva, OSDTest,
     ::testing::Combine(::testing::Values(0),
                        ::testing::Values(TESTING_DIR "/devatest.png"),
diff --git a/unittest/qrsequence_test.cc b/unittest/qrsequence_test.cc
index f2ae28395..783228d85 100644
--- a/unittest/qrsequence_test.cc
+++ b/unittest/qrsequence_test.cc
@@ -64,6 +64,6 @@ TEST_P(QRSequenceGeneratorTest, GeneratesValidSequence) {
 }
 
 // Run a parameterized test using the following range sizes.
-INSTANTIATE_TEST_CASE_P(RangeTest, QRSequenceGeneratorTest,
+INSTANTIATE_TEST_SUITE_P(RangeTest, QRSequenceGeneratorTest,
                         ::testing::Values(2, 7, 8, 9, 16, 1e2, 1e4, 1e6));
 }  // namespace