diff --git a/dev_requirements.txt b/dev_requirements.txt
index 9ffc666f..0e90101a 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file=dev_requirements.txt
 #
--e git+git://github.com/seung-lab/PyChunkedGraph.git@vminnie-125#egg=pychunkedgraph
+-e git+https://github.com/seung-lab/PyChunkedGraph.git@v1.16.0#egg=pychunkedgraph
     # via -r requirements.in
 aiohttp==3.7.4.post0
     # via gcsfs
diff --git a/requirements.in b/requirements.in
index b5bf4cf8..64ab2531 100644
--- a/requirements.in
+++ b/requirements.in
@@ -26,4 +26,4 @@ flask_cors
 numpy>=1.20
 dynamicannotationdb>=3.1.5
 emannotationschemas>=3.5.3
--e git+git://github.com/seung-lab/PyChunkedGraph.git@vminnie-125#egg=pychunkedgraph
\ No newline at end of file
+-e git+https://github.com/seung-lab/PyChunkedGraph.git@v1.16.0#egg=pychunkedgraph
diff --git a/requirements.txt b/requirements.txt
index 211ece28..d2dcbfb3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile
 #
--e git+git://github.com/seung-lab/PyChunkedGraph.git@vminnie-125#egg=pychunkedgraph
+-e git+https://github.com/seung-lab/PyChunkedGraph.git@v1.16.0#egg=pychunkedgraph
     # via -r requirements.in
 aiohttp==3.7.4.post0
     # via gcsfs