diff --git a/requirements.txt b/requirements.txt
index e1e0e43..88b0711 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,7 @@
 numpy==1.24.4
-pandas
-pydantic
-PyYAML
+pandas~=2.2.3
+pydantic~=2.9.2
+PyYAML~=6.0.2
+
+pytest~=8.3.3
+matplotlib~=3.9.2
\ No newline at end of file