diff --git a/api/requirements.txt b/api/requirements.txt
index 926a813f14ae716e46300d595fa9ba70c3ee28ee..038c74f232abf75436c47e00c4df2a2a59651285 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -1,6 +1,6 @@
-sphinx
+sphinx >= 3.0.2, <= 3.0.4
 recommonmark
 sphinx-markdown-tables
 sphinx_rtd_theme
 numpy
-jieba
\ No newline at end of file
+jieba
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 926a813f14ae716e46300d595fa9ba70c3ee28ee..038c74f232abf75436c47e00c4df2a2a59651285 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,6 +1,6 @@
-sphinx
+sphinx >= 3.0.2, <= 3.0.4
 recommonmark
 sphinx-markdown-tables
 sphinx_rtd_theme
 numpy
-jieba
\ No newline at end of file
+jieba
diff --git a/tutorials/requirements.txt b/tutorials/requirements.txt
index 193aa3755525fe0ba3de98ff7fca712cdc6c0bc4..c83aa05f72dc62b652a4657819cb10e4e1ae2027 100644
--- a/tutorials/requirements.txt
+++ b/tutorials/requirements.txt
@@ -1,5 +1,5 @@
-sphinx
+sphinx >= 3.0.2, <= 3.0.4
 recommonmark
 sphinx-markdown-tables
 sphinx_rtd_theme
-jieba
\ No newline at end of file
+jieba