diff --git a/.changelog/12449.txt b/.changelog/12449.txt
new file mode 100644
index 0000000000..aa939d569d
--- /dev/null
+++ b/.changelog/12449.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+connect: Update supported Envoy versions to include 1.19.3 and 1.18.6
+```
diff --git a/.circleci/config.yml b/.circleci/config.yml
index be9e460122..eba2a629f7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -889,15 +889,15 @@ jobs:
           path: *TEST_RESULTS_DIR
       - run: *notify-slack-failure
 
-  envoy-integration-test-1_18_4:
+  envoy-integration-test-1_18_6:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.18.4"
+      ENVOY_VERSION: "1.18.6"
 
-  envoy-integration-test-1_19_1:
+  envoy-integration-test-1_19_3:
     <<: *ENVOY_TESTS
     environment:
-      ENVOY_VERSION: "1.19.1"
+      ENVOY_VERSION: "1.19.3"
 
   envoy-integration-test-1_20_2:
     <<: *ENVOY_TESTS
@@ -1148,10 +1148,10 @@ workflows:
       - envoy-integration-test-1_17_4:
           requires:
             - dev-build
-      - envoy-integration-test-1_18_4:
+      - envoy-integration-test-1_18_6:
           requires:
             - dev-build
-      - envoy-integration-test-1_19_1:
+      - envoy-integration-test-1_19_3:
           requires:
             - dev-build
       - envoy-integration-test-1_20_2:
diff --git a/agent/xds/envoy_versioning_test.go b/agent/xds/envoy_versioning_test.go
index 60ae74d997..fa15652859 100644
--- a/agent/xds/envoy_versioning_test.go
+++ b/agent/xds/envoy_versioning_test.go
@@ -124,14 +124,14 @@ func TestDetermineSupportedProxyFeaturesFromString(t *testing.T) {
 	// Populate feature flags here when appropriate. See consul 1.10.x for reference.
 	for _, v := range []string{
 		"1.17.0", "1.17.1", "1.17.2", "1.17.3", "1.17.4",
-		"1.18.0", "1.18.1", "1.18.2", "1.18.3", "1.18.4",
+		"1.18.0", "1.18.1", "1.18.2", "1.18.3", "1.18.4", "1.18.5", "1.18.6",
 	} {
 		cases[v] = testcase{expect: supportedProxyFeatures{
 			ForceLDSandCDSToAlwaysUseWildcardsOnReconnect: true,
 		}}
 	}
 	for _, v := range []string{
-		"1.19.0", "1.19.1",
+		"1.19.0", "1.19.1", "1.19.2", "1.19.3",
 		"1.20.0", "1.20.1", "1.20.2",
 	} {
 		cases[v] = testcase{expect: supportedProxyFeatures{}}
diff --git a/agent/xds/proxysupport/proxysupport.go b/agent/xds/proxysupport/proxysupport.go
index 2248ddbfe7..aab92fa257 100644
--- a/agent/xds/proxysupport/proxysupport.go
+++ b/agent/xds/proxysupport/proxysupport.go
@@ -8,7 +8,7 @@ package proxysupport
 // see: https://www.consul.io/docs/connect/proxies/envoy#supported-versions
 var EnvoyVersions = []string{
 	"1.20.2",
-	"1.19.1",
-	"1.18.4",
+	"1.19.3",
+	"1.18.6",
 	"1.17.4",
 }
diff --git a/test/integration/connect/envoy/helpers.bash b/test/integration/connect/envoy/helpers.bash
index f919401496..5e27cc6e28 100755
--- a/test/integration/connect/envoy/helpers.bash
+++ b/test/integration/connect/envoy/helpers.bash
@@ -179,10 +179,14 @@ function assert_envoy_version {
   echo "Got version=$VERSION"
   echo "Want version=$ENVOY_VERSION"
 
-  # 1.20.2 is a special snowflake in that the version for the release is actually
-  # reported as '1.20.2-dev'
+  # 1.20.2, 1.19.3 and 1.18.6 are special snowflakes in that the version for
+  # the release is reported with a '-dev' suffix (eg 1.20.2-dev).
   if [ "$ENVOY_VERSION" = "1.20.2" ] ; then
     ENVOY_VERSION="1.20.2-dev"
+  elif [ "$ENVOY_VERSION" = "1.19.3" ] ; then
+    ENVOY_VERSION="1.19.3-dev"
+  elif [ "$ENVOY_VERSION" = "1.18.6" ] ; then
+    ENVOY_VERSION="1.18.6-dev"
   fi
 
   echo $VERSION | grep "/$ENVOY_VERSION/"
diff --git a/website/content/docs/connect/proxies/envoy.mdx b/website/content/docs/connect/proxies/envoy.mdx
index d43e8b1c23..e094c3c37d 100644
--- a/website/content/docs/connect/proxies/envoy.mdx
+++ b/website/content/docs/connect/proxies/envoy.mdx
@@ -35,7 +35,7 @@ compatible Envoy versions.
 
 | Consul Version      | Compatible Envoy Versions                              |
 | ------------------- | ------------------------------------------------------ |
-| 1.11.x              | 1.20.2, 1.19.1, 1.18.4, 1.17.4                         |
+| 1.11.x              | 1.20.2, 1.19.3, 1.18.6, 1.17.4                         |
 | 1.10.x              | 1.18.4, 1.17.4, 1.16.5, 1.15.5                         |
 | 1.9.x               | 1.16.5, 1.15.5, 1.14.7<sup>1</sup>, 1.13.7<sup>1</sup> |
 | 1.8.x               | 1.14.7, 1.13.7, 1.12.7, 1.11.2                         |