diff --git a/requirements/base.txt b/requirements/base.txt
index 1b08a1aced..86b3e54804 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -3,7 +3,7 @@ click~=8.1
 Flask<3.1
 boto3>=1.26.109,<2
 jmespath~=1.0.1
-ruamel_yaml~=0.17.35
+ruamel_yaml~=0.18.1
 PyYAML~=6.0,>=6.0.1
 cookiecutter~=2.3.1
 aws-sam-translator==1.78.0
diff --git a/requirements/reproducible-linux.txt b/requirements/reproducible-linux.txt
index 082542d763..49b9354444 100644
--- a/requirements/reproducible-linux.txt
+++ b/requirements/reproducible-linux.txt
@@ -857,9 +857,9 @@ rpds-py==0.10.6 \
     # via
     #   jsonschema
     #   referencing
-ruamel-yaml==0.17.35 \
-    --hash=sha256:801046a9caacb1b43acc118969b49b96b65e8847f29029563b29ac61d02db61b \
-    --hash=sha256:b105e3e6fc15b41fdb201ba1b95162ae566a4ef792b9f884c46b4ccc5513a87a
+ruamel-yaml==0.18.1 \
+    --hash=sha256:649a301890441d36ea9cb0f48d07353de82b8cbde2244387e7ef6b1d3b9ee6cd \
+    --hash=sha256:93907ef6c731ec1bcb41ab7ff99413945f5acfd7eee27785f2cb18b175dd5aae
     # via aws-sam-cli (setup.py)
 ruamel-yaml-clib==0.2.7 \
     --hash=sha256:045e0626baf1c52e5527bd5db361bc83180faaba2ff586e763d3d5982a876a9e \
diff --git a/requirements/reproducible-mac.txt b/requirements/reproducible-mac.txt
index aa56fd3cc7..4b574e83a6 100644
--- a/requirements/reproducible-mac.txt
+++ b/requirements/reproducible-mac.txt
@@ -889,9 +889,9 @@ rpds-py==0.10.6 \
     # via
     #   jsonschema
     #   referencing
-ruamel-yaml==0.17.35 \
-    --hash=sha256:801046a9caacb1b43acc118969b49b96b65e8847f29029563b29ac61d02db61b \
-    --hash=sha256:b105e3e6fc15b41fdb201ba1b95162ae566a4ef792b9f884c46b4ccc5513a87a
+ruamel-yaml==0.18.1 \
+    --hash=sha256:649a301890441d36ea9cb0f48d07353de82b8cbde2244387e7ef6b1d3b9ee6cd \
+    --hash=sha256:93907ef6c731ec1bcb41ab7ff99413945f5acfd7eee27785f2cb18b175dd5aae
     # via aws-sam-cli (setup.py)
 ruamel-yaml-clib==0.2.7 \
     --hash=sha256:045e0626baf1c52e5527bd5db361bc83180faaba2ff586e763d3d5982a876a9e \
diff --git a/requirements/reproducible-win.txt b/requirements/reproducible-win.txt
index d8d8cc4772..71d13c0bf3 100644
--- a/requirements/reproducible-win.txt
+++ b/requirements/reproducible-win.txt
@@ -909,9 +909,9 @@ rpds-py==0.10.6 \
     # via
     #   jsonschema
     #   referencing
-ruamel-yaml==0.17.35 \
-    --hash=sha256:801046a9caacb1b43acc118969b49b96b65e8847f29029563b29ac61d02db61b \
-    --hash=sha256:b105e3e6fc15b41fdb201ba1b95162ae566a4ef792b9f884c46b4ccc5513a87a
+ruamel-yaml==0.18.1 \
+    --hash=sha256:649a301890441d36ea9cb0f48d07353de82b8cbde2244387e7ef6b1d3b9ee6cd \
+    --hash=sha256:93907ef6c731ec1bcb41ab7ff99413945f5acfd7eee27785f2cb18b175dd5aae
     # via aws-sam-cli (setup.py)
 ruamel-yaml-clib==0.2.7 \
     --hash=sha256:045e0626baf1c52e5527bd5db361bc83180faaba2ff586e763d3d5982a876a9e \