diff --git a/requirements.txt b/requirements.txt
index 6f7d7ad..5cbf939 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Markdown==2.6.9
 MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
-nbconvert==5.3.0
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==1.11
 notebook==5.0.0
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 4329941..0e803bc 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -19,7 +19,7 @@ Markdown==2.6.9
 MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
-nbconvert==5.3.0
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==1.11
 notebook==5.0.0