diff --git a/poetry.lock b/poetry.lock
index 6fe64a55..7c0fdcc8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -493,13 +493,13 @@ typing = ["typing-extensions (>=4.12.2) ; python_version < \"3.11\""]
 
 [[package]]
 name = "flagsmith-flag-engine"
-version = "5.3.0"
+version = "5.4.3"
 description = "Flag engine for the Flagsmith API."
 optional = false
 python-versions = "*"
 groups = ["main"]
 files = [
-    {file = "flagsmith-flag-engine-5.3.0.tar.gz", hash = "sha256:87007f6a312cf11b2c201acd54b30f17de8aa039c3c56af431f1ed3c743fa84c"},
+    {file = "flagsmith-flag-engine-5.4.3.tar.gz", hash = "sha256:a11b9e46c5dcfc1f45f8829864c90a4a3bd032b1a18d987ee9a33a0e5f3ef615"},
 ]
 
 [package.dependencies]