diff --git a/anomaly-detector/pyproject.toml b/anomaly-detector/pyproject.toml
index 75bc2b8..77b1e16 100644
--- a/anomaly-detector/pyproject.toml
+++ b/anomaly-detector/pyproject.toml
@@ -16,7 +16,7 @@ seasonal = "^0.3.1"
 scipy = "^1.9.3"
 pytz = "^2018.9"
 Cython = "^3.0.8"
-rpy2 = "^3.5.1"
+rstl = "^0.1.3"
 python_dateutil = "^2.7.5"
 psutil = "^5.9.2"
 statsmodels = "^0.13.5"
diff --git a/requirements.txt b/requirements.txt
index f4471f8..13d0286 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ seasonal==0.3.1
 scipy==1.9.3
 pytz==2018.9
 Cython==3.0.8
-rpy2==3.5.1
+rstl==0.1.3
 python_dateutil==2.7.5
 psutil==5.9.2
 statsmodels==0.13.5