diff --git a/requirements-dev.txt b/requirements-dev.txt
index a200941..f92cd89 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,8 +8,8 @@ pyyaml
 snakemake
 sphinx
 sphinx_rtd_theme
-sqlalchemy
+sqlalchemy < 2.0
 termcolor
 tqdm
 twine
-wopmars>=0.1.4
\ No newline at end of file
+wopmars>=0.1.4
diff --git a/requirements.txt b/requirements.txt
index 56c5961..130b804 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ jinja2
 pandas
 pyyaml
 snakemake
-sqlalchemy
+sqlalchemy < 2.0
 termcolor
 tqdm
 wopmars>=0.1.4