diff --git a/.changes/next-release/bugfix-AWSSDKforJavav2-c9734ed.json b/.changes/next-release/bugfix-AWSSDKforJavav2-c9734ed.json
new file mode 100644
index 000000000000..9a73e253204a
--- /dev/null
+++ b/.changes/next-release/bugfix-AWSSDKforJavav2-c9734ed.json
@@ -0,0 +1,6 @@
+{
+    "category": "AWS SDK for Java v2", 
+    "contributor": "", 
+    "type": "bugfix", 
+    "description": "Fixed bug where using profile-based credentials could cause the SDK to read the profile file with each request."
+}
diff --git a/core/sdk-core/src/main/java/software/amazon/awssdk/core/client/builder/SdkDefaultClientBuilder.java b/core/sdk-core/src/main/java/software/amazon/awssdk/core/client/builder/SdkDefaultClientBuilder.java
index 67f8295ee49c..c91ad39ad1a3 100644
--- a/core/sdk-core/src/main/java/software/amazon/awssdk/core/client/builder/SdkDefaultClientBuilder.java
+++ b/core/sdk-core/src/main/java/software/amazon/awssdk/core/client/builder/SdkDefaultClientBuilder.java
@@ -264,9 +264,9 @@ protected SdkClientConfiguration mergeChildDefaults(SdkClientConfiguration confi
      */
     private SdkClientConfiguration mergeGlobalDefaults(SdkClientConfiguration configuration) {
         // Don't load the default profile file if the customer already gave us one.
-        Supplier<ProfileFile> configuredProfileFileSupplier = configuration.option(PROFILE_FILE_SUPPLIER);
-        Supplier<ProfileFile> profileFileSupplier = Optional.ofNullable(configuredProfileFileSupplier)
-                                                            .orElseGet(() -> ProfileFile::defaultProfileFile);
+        Supplier<ProfileFile> profileFileSupplier =
+            Optional.ofNullable(configuration.option(PROFILE_FILE_SUPPLIER))
+                    .orElseGet(() -> ProfileFileSupplier.fixedProfileFile(ProfileFile.defaultProfileFile()));
 
         return configuration.merge(c -> c.option(EXECUTION_INTERCEPTORS, new ArrayList<>())
                                          .option(ADDITIONAL_HTTP_HEADERS, new LinkedHashMap<>())
diff --git a/core/sdk-core/src/test/java/software/amazon/awssdk/core/client/builder/DefaultClientBuilderTest.java b/core/sdk-core/src/test/java/software/amazon/awssdk/core/client/builder/DefaultClientBuilderTest.java
index 8bb2455099ba..ec526330cdc9 100644
--- a/core/sdk-core/src/test/java/software/amazon/awssdk/core/client/builder/DefaultClientBuilderTest.java
+++ b/core/sdk-core/src/test/java/software/amazon/awssdk/core/client/builder/DefaultClientBuilderTest.java
@@ -52,6 +52,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.function.Supplier;
 import org.assertj.core.api.Assertions;
 import org.junit.Before;
 import org.junit.Test;
@@ -371,7 +372,19 @@ public void clientBuilderFieldsHaveBeanEquivalents() throws Exception {
                 assertThat(property.getWriteMethod()).as(propertyName + " setter").isNotNull();
             });
         });
+    }
+
+
+    @Test
+    public void defaultProfileFileSupplier_isStaticOrHasIdentityCaching() {
+        SdkClientConfiguration config =
+            testClientBuilder().build().clientConfiguration;
+
+        Supplier<ProfileFile> defaultProfileFileSupplier = config.option(PROFILE_FILE_SUPPLIER);
+        ProfileFile firstGet = defaultProfileFileSupplier.get();
+        ProfileFile secondGet = defaultProfileFileSupplier.get();
 
+        assertThat(secondGet).isSameAs(firstGet);
     }
 
     private SdkDefaultClientBuilder<TestClientBuilder, TestClient> testClientBuilder() {