diff --git a/requirements-cpu.txt b/requirements-cpu.txt
index 71a7bfb..bef8126 100644
--- a/requirements-cpu.txt
+++ b/requirements-cpu.txt
@@ -19,7 +19,7 @@ Keras==2.2.4
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.0.9
 kiwisolver==1.1.0
-lxml==4.6.3
+lxml==4.6.5
 Markdown==3.1.1
 MarkupSafe==1.1.1
 matplotlib==2.2.2
diff --git a/requirements-gpu.txt b/requirements-gpu.txt
index 58e3a14..752945f 100644
--- a/requirements-gpu.txt
+++ b/requirements-gpu.txt
@@ -19,7 +19,7 @@ Keras==2.2.4
 Keras-Applications==1.0.8
 Keras-Preprocessing==1.0.9
 kiwisolver==1.1.0
-lxml==4.6.3
+lxml==4.6.5
 Markdown==3.1.1
 MarkupSafe==1.1.1
 matplotlib==2.2.2