diff --git a/pyproject.toml b/pyproject.toml
index e7543b202f..0a1bcba7ff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ dependencies = [
     "dateparser~=1.3",
     "requests>=2.32.5,<2.35.0",
     "aws_lambda_builders==1.64.0",
-    "tomlkit==0.14.0",
+    "tomlkit==0.15.0",
     "watchdog==4.0.2",
     "rich>=14.3.3,<15.1.0",
     "pyopenssl>=25.3,<26.3",
diff --git a/requirements/reproducible-linux.txt b/requirements/reproducible-linux.txt
index bae94dd373..c962f3d843 100644
--- a/requirements/reproducible-linux.txt
+++ b/requirements/reproducible-linux.txt
@@ -1135,9 +1135,9 @@ text-unidecode==1.3 \
     --hash=sha256:1311f10e8b895935241623731c2ba64f4c455287888b18189350b67134a822e8 \
     --hash=sha256:bad6603bb14d279193107714b288be206cac565dfa49aa5b105294dd5c4aab93
     # via python-slugify
-tomlkit==0.14.0 \
-    --hash=sha256:592064ed85b40fa213469f81ac584f67a4f2992509a7c3ea2d632208623a3680 \
-    --hash=sha256:cf00efca415dbd57575befb1f6634c4f42d2d87dbba376128adb42c121b87064
+tomlkit==0.15.0 \
+    --hash=sha256:4dbc8f0fc024412b57ced8757ac7461305126a648ff8c2c807fcb8e133a78738 \
+    --hash=sha256:7d1a9ecba3086638211b13814ea79c90dd54dd11993564376f3aa92271f5c7a3
     # via aws-sam-cli (pyproject.toml)
 types-awscrt==0.31.3 \
     --hash=sha256:09d3eaf00231e0f47e101bd9867e430873bc57040050e2a3bd8305cb4fc30865 \
diff --git a/requirements/reproducible-mac.txt b/requirements/reproducible-mac.txt
index 4b539300b7..1854bc7da0 100644
--- a/requirements/reproducible-mac.txt
+++ b/requirements/reproducible-mac.txt
@@ -1135,9 +1135,9 @@ text-unidecode==1.3 \
     --hash=sha256:1311f10e8b895935241623731c2ba64f4c455287888b18189350b67134a822e8 \
     --hash=sha256:bad6603bb14d279193107714b288be206cac565dfa49aa5b105294dd5c4aab93
     # via python-slugify
-tomlkit==0.14.0 \
-    --hash=sha256:592064ed85b40fa213469f81ac584f67a4f2992509a7c3ea2d632208623a3680 \
-    --hash=sha256:cf00efca415dbd57575befb1f6634c4f42d2d87dbba376128adb42c121b87064
+tomlkit==0.15.0 \
+    --hash=sha256:4dbc8f0fc024412b57ced8757ac7461305126a648ff8c2c807fcb8e133a78738 \
+    --hash=sha256:7d1a9ecba3086638211b13814ea79c90dd54dd11993564376f3aa92271f5c7a3
     # via aws-sam-cli (pyproject.toml)
 types-awscrt==0.31.3 \
     --hash=sha256:09d3eaf00231e0f47e101bd9867e430873bc57040050e2a3bd8305cb4fc30865 \
diff --git a/requirements/reproducible-win.txt b/requirements/reproducible-win.txt
index beae9e8a27..3cb200a0d7 100644
--- a/requirements/reproducible-win.txt
+++ b/requirements/reproducible-win.txt
@@ -1161,9 +1161,9 @@ text-unidecode==1.3 \
     --hash=sha256:1311f10e8b895935241623731c2ba64f4c455287888b18189350b67134a822e8 \
     --hash=sha256:bad6603bb14d279193107714b288be206cac565dfa49aa5b105294dd5c4aab93
     # via python-slugify
-tomlkit==0.14.0 \
-    --hash=sha256:592064ed85b40fa213469f81ac584f67a4f2992509a7c3ea2d632208623a3680 \
-    --hash=sha256:cf00efca415dbd57575befb1f6634c4f42d2d87dbba376128adb42c121b87064
+tomlkit==0.15.0 \
+    --hash=sha256:4dbc8f0fc024412b57ced8757ac7461305126a648ff8c2c807fcb8e133a78738 \
+    --hash=sha256:7d1a9ecba3086638211b13814ea79c90dd54dd11993564376f3aa92271f5c7a3
     # via aws-sam-cli (pyproject.toml)
 types-awscrt==0.31.3 \
     --hash=sha256:09d3eaf00231e0f47e101bd9867e430873bc57040050e2a3bd8305cb4fc30865 \