diff --git a/security/certverifier/ExtendedValidation.cpp b/security/certverifier/ExtendedValidation.cpp
index 08749d597..3755c0fe7 100644
--- a/security/certverifier/ExtendedValidation.cpp
+++ b/security/certverifier/ExtendedValidation.cpp
@@ -1134,21 +1134,6 @@ static struct nsMyTrustedEVInfo myTrustedEVInfos[] = {
     "aEpYcIBr8I8C+vbe6LCQkA==",
     nullptr
   },
-  {
-    // CN=TÜRKTRUST Elektronik Sertifika Hizmet Sağlayıcısı H6,O=TÜRKTRUST Bilgi İletişim ve Bilişim Güvenliği Hizmetleri A...,L=Ankara,C=TR
-    "2.16.792.3.0.3.1.1.5",
-    "TurkTrust EV OID",
-    SEC_OID_UNKNOWN,
-    { 0x8D, 0xE7, 0x86, 0x55, 0xE1, 0xBE, 0x7F, 0x78, 0x47, 0x80, 0x0B,
-      0x93, 0xF6, 0x94, 0xD2, 0x1D, 0x36, 0x8C, 0xC0, 0x6E, 0x03, 0x3E,
-      0x7F, 0xAB, 0x04, 0xBB, 0x5E, 0xB9, 0x9D, 0xA6, 0xB7, 0x00 },
-    "MIGxMQswCQYDVQQGEwJUUjEPMA0GA1UEBwwGQW5rYXJhMU0wSwYDVQQKDERUw5xS"
-    "S1RSVVNUIEJpbGdpIMSwbGV0acWfaW0gdmUgQmlsacWfaW0gR8O8dmVubGnEn2kg"
-    "SGl6bWV0bGVyaSBBLsWeLjFCMEAGA1UEAww5VMOcUktUUlVTVCBFbGVrdHJvbmlr"
-    "IFNlcnRpZmlrYSBIaXptZXQgU2HEn2xhecSxY8Sxc8SxIEg2",
-    "faHyZeyK",
-    nullptr
-  },
   {
     // OU=Security Communication RootCA2,O="SECOM Trust Systems CO.,LTD.",C=JP
     "1.2.392.200091.100.721.1",
diff --git a/security/nss/lib/certdb/genname.c b/security/nss/lib/certdb/genname.c
index 6529a6a09..018f3e3b0 100644
--- a/security/nss/lib/certdb/genname.c
+++ b/security/nss/lib/certdb/genname.c
@@ -1607,8 +1607,36 @@ done:
     "\x30\x05\x82\x03" ".nc" \
     "\x30\x05\x82\x03" ".tf" \
 
+/* TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 */
+
+#define TUBITAK1_SUBJECT_DN                                                    \
+    "\x30\x81\xd2"                                                             \
+    "\x31\x0b\x30\x09\x06\x03\x55\x04\x06\x13\x02"                             \
+    /* C */ "TR"                                                               \
+    "\x31\x18\x30\x16\x06\x03\x55\x04\x07\x13\x0f"                             \
+    /* L */ "Gebze - Kocaeli"                                                  \
+    "\x31\x42\x30\x40\x06\x03\x55\x04\x0a\x13\x39"                             \
+    /* O */ "Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK"        \
+    "\x31\x2d\x30\x2b\x06\x03\x55\x04\x0b\x13\x24"                             \
+    /* OU */ "Kamu Sertifikasyon Merkezi - Kamu SM"                            \
+    "\x31\x36\x30\x34\x06\x03\x55\x04\x03\x13\x2d"                             \
+    /* CN */ "TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1"
+
+#define TUBITAK1_NAME_CONSTRAINTS                                              \
+    "\x30\x65\xa0\x63"                                                         \
+    "\x30\x09\x82\x07" ".gov.tr"                                               \
+    "\x30\x09\x82\x07" ".k12.tr"                                               \
+    "\x30\x09\x82\x07" ".pol.tr"                                               \
+    "\x30\x09\x82\x07" ".mil.tr"                                               \
+    "\x30\x09\x82\x07" ".tsk.tr"                                               \
+    "\x30\x09\x82\x07" ".kep.tr"                                               \
+    "\x30\x09\x82\x07" ".bel.tr"                                               \
+    "\x30\x09\x82\x07" ".edu.tr"                                               \
+    "\x30\x09\x82\x07" ".org.tr"
+
 static const SECItem builtInNameConstraints[][2] = {
-    NAME_CONSTRAINTS_ENTRY(ANSSI)
+    NAME_CONSTRAINTS_ENTRY(ANSSI),
+    NAME_CONSTRAINTS_ENTRY(TUBITAK1)
 };
 
 SECStatus