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-rw-r--r--requirements/doc.txt6
1 files changed, 3 insertions, 3 deletions
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 0fd736ef..5f5e791f 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -1,6 +1,6 @@
-sphinx==3.5.4
-pydata-sphinx-theme==0.5.2
-sphinx-gallery==0.8.2
+sphinx~=4.0
+pydata-sphinx-theme~=0.6
+sphinx-gallery~=0.9
numpydoc>=1.1
pillow>=8.2
nb2plots>=0.6