diff --git a/pom.xml b/pom.xml
index aab81a8c78..5be45b7297 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,7 +73,7 @@
     <microprofile-metrics-api.version>4.0.1</microprofile-metrics-api.version>
     <microprofile-health-api.version>4.0</microprofile-health-api.version>
 
-    <smallrye-config.version>3.3.4</smallrye-config.version>
+    <smallrye-config.version>3.4.1</smallrye-config.version>
     <smallrye-metrics.version>4.0.0</smallrye-metrics.version>
     <smallrye-common.version>2.2.0</smallrye-common.version>
     <smallrye-health.version>4.0.4</smallrye-health.version>
diff --git a/smallrye-reactive-messaging-provider/src/test/java/io/smallrye/reactive/messaging/providers/impl/ConnectorConfigTest.java b/smallrye-reactive-messaging-provider/src/test/java/io/smallrye/reactive/messaging/providers/impl/ConnectorConfigTest.java
index b6a3564e77..25a68b3a07 100644
--- a/smallrye-reactive-messaging-provider/src/test/java/io/smallrye/reactive/messaging/providers/impl/ConnectorConfigTest.java
+++ b/smallrye-reactive-messaging-provider/src/test/java/io/smallrye/reactive/messaging/providers/impl/ConnectorConfigTest.java
@@ -25,7 +25,7 @@
 @SetEnvironmentVariable(key = "MP_MESSAGING_CONNECTOR_SOME_CONNECTOR_ATTR1", value = "should not be used")
 @SetEnvironmentVariable(key = "MP_MESSAGING_CONNECTOR_SOME_CONNECTOR_ATTR3", value = "used")
 @SetEnvironmentVariable(key = "mp_messaging_connector_some_connector_attr4", value = "used")
-@SetEnvironmentVariable(key = "mp_messaging_connector_SOME_CONNECTOR_mixedcase", value = "should not be used")
+@SetEnvironmentVariable(key = "mp_messaging_connector_SOME_CONNECTOR_mixedcase", value = "used")
 @DisabledForJreRange(min = JRE.JAVA_17, disabledReason = "Environment cannot be modified on Java 17")
 public class ConnectorConfigTest {
 
@@ -85,7 +85,7 @@ public String getName() {
     @SetEnvironmentVariable(key = "MP_MESSAGING_CONNECTOR_SOME_CONNECTOR_ATTR1", value = "should not be used")
     @SetEnvironmentVariable(key = "MP_MESSAGING_CONNECTOR_SOME_CONNECTOR_ATTR3", value = "used")
     @SetEnvironmentVariable(key = "mp_messaging_connector_some_connector_attr4", value = "used")
-    @SetEnvironmentVariable(key = "mp_messaging_connector_SOME_CONNECTOR_mixedcase", value = "should not be used")
+    @SetEnvironmentVariable(key = "mp_messaging_connector_SOME_CONNECTOR_mixedcase", value = "used")
     @Test
     public void testPropertyNames() {
 
@@ -126,7 +126,7 @@ public void testGetFromEnv() {
         assertThat(config.getOptionalValue("ATTR4", String.class)).hasValue("used-2");
         // Mixed case value in env should not be found as it does not match the key we're looking for
         // either in its original casing, or after conversion to uppercase.
-        assertThat(config.getOptionalValue("mixedcase", String.class)).isEmpty();
+        assertThat(config.getOptionalValue("mixedcase", String.class)).hasValue("used");
     }
 
     @Test