diff --git a/security/manager/ssl/nsNSSCallbacks.cpp b/security/manager/ssl/nsNSSCallbacks.cpp
index af9d9e87cc0b..ddb17c46ec38 100644
--- a/security/manager/ssl/nsNSSCallbacks.cpp
+++ b/security/manager/ssl/nsNSSCallbacks.cpp
@@ -1010,6 +1010,12 @@ static void AccumulateCipherSuite(Telemetry::HistogramID probe,
     case TLS_RSA_WITH_SEED_CBC_SHA:
       value = 67;
       break;
+    case TLS_RSA_WITH_AES_128_GCM_SHA256:
+      value = 68;
+      break;
+    case TLS_RSA_WITH_AES_256_GCM_SHA384:
+      value = 69;
+      break;
     // TLS 1.3 PSK resumption
     case TLS_AES_128_GCM_SHA256:
       value = 70;
diff --git a/security/manager/ssl/nsNSSComponent.cpp b/security/manager/ssl/nsNSSComponent.cpp
index 05abbd7f7726..850da6a37250 100644
--- a/security/manager/ssl/nsNSSComponent.cpp
+++ b/security/manager/ssl/nsNSSComponent.cpp
@@ -1060,6 +1060,10 @@ static const CipherPref sCipherPrefs[] = {
      true},
     {"security.tls13.aes_256_gcm_sha384", TLS_AES_256_GCM_SHA384, true},
 
+    {"security.ssl3.rsa_aes_128_gcm_sha256", TLS_RSA_WITH_AES_128_GCM_SHA256,
+     true},  // deprecated (RSA key exchange)
+    {"security.ssl3.rsa_aes_256_gcm_sha384", TLS_RSA_WITH_AES_256_GCM_SHA384,
+     true},  // deprecated (RSA key exchange)
     {"security.ssl3.rsa_aes_128_sha", TLS_RSA_WITH_AES_128_CBC_SHA,
      true},  // deprecated (RSA key exchange)
     {"security.ssl3.rsa_aes_256_sha", TLS_RSA_WITH_AES_256_CBC_SHA,