diff --git a/requirements.dev.txt b/requirements.dev.txt
index a0bbf53..a4f0a43 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -309,9 +309,9 @@ mypy==0.761 \
 mypy-extensions==0.4.3 \
     --hash=sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d \
     --hash=sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8
-nbconvert==5.6.1 \
-    --hash=sha256:f0d6ec03875f96df45aa13e21fd9b8450c42d7e1830418cccc008c0df725fcee \
-    --hash=sha256:21fb48e700b43e82ba0e3142421a659d7739b65568cc832a13976a77be16b523
+nbconvert==6.5.1 \
+    --hash=sha256:0a3e224ee753ac4dceeb0257c4a315c069dcc6f9f4ae0ad15c5ea84713d15e28 \
+    --hash=sha256:2c01f3f518fee736c3d3f999dd20e0a16febba17a0d60a3b0fd28fbdec14115d
 nbformat==5.0.3 \
     --hash=sha256:d1407544cf0c53ee88f504b6c732aef6e0f407a0858b405fcf133e0a25bb787b \
     --hash=sha256:cca9a1acfd4e049dcd6c3628d3c84db8e48a770182fb7b87d6a62f9ceacfae39