diff --git a/r.txt b/r.txt
index 36e57a3c..f7a92efc 100644
--- a/r.txt
+++ b/r.txt
@@ -81,7 +81,7 @@ msgpack==0.5.6
 msgpack-numpy==0.4.3.1
 murmurhash==0.28.0
 mypy-extensions==0.4.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nest-asyncio==1.5.4
 nltk==3.4.5
diff --git a/requirements.txt b/requirements.txt
index 5cf716d1..d443b97a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ mongoengine
 msgpack==0.5.6
 msgpack-numpy==0.4.3.1
 murmurhash==0.28.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.4.5
 notebook==5.7.8