diff --git a/composer.json b/composer.json
index e9509d7a3..f374f3fe5 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
 		"php": "^8.2",
 		"ext-ctype": "*",
 		"ext-mbstring": "*",
-		"aws/aws-sdk-php": "^3.376",
+		"aws/aws-sdk-php": "^3.378",
 		"bantu/ini-get-wrapper": "v1.0.1",
 		"cweagans/composer-patches": "^1.7",
 		"deepdiver/zipstreamer": "^3.0.1",
diff --git a/composer.lock b/composer.lock
index 04b1a1d3e..d5f302830 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "cc2c0484f012bec12fe5aadd28b4476e",
+    "content-hash": "4fd84cd3365cf7c633741ff98ace699d",
     "packages": [
         {
             "name": "aws/aws-crt-php",
@@ -62,16 +62,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.376.2",
+            "version": "3.378.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "ff2f61f280fc46081a1fbb7ae201a09f431d436d"
+                "reference": "df2a6c362ddce2ede3ac3a8286f5788847e614b4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/ff2f61f280fc46081a1fbb7ae201a09f431d436d",
-                "reference": "ff2f61f280fc46081a1fbb7ae201a09f431d436d",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/df2a6c362ddce2ede3ac3a8286f5788847e614b4",
+                "reference": "df2a6c362ddce2ede3ac3a8286f5788847e614b4",
                 "shasum": ""
             },
             "require": {
@@ -153,9 +153,9 @@
             "support": {
                 "forum": "https://github.com/aws/aws-sdk-php/discussions",
                 "issues": "https://github.com/aws/aws-sdk-php/issues",
-                "source": "https://github.com/aws/aws-sdk-php/tree/3.376.2"
+                "source": "https://github.com/aws/aws-sdk-php/tree/3.378.2"
             },
-            "time": "2026-04-02T18:09:03+00:00"
+            "time": "2026-04-10T18:13:27+00:00"
         },
         {
             "name": "bantu/ini-get-wrapper",