diff --git a/setup.cfg b/setup.cfg
index f285eaacd..2b87ee5ed 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -36,10 +36,10 @@ setup_requires =
 # Dependencies of the project:
 install_requires =
   absl-py==1.0.0
-  numpy>=1.19.2
-  pandas>=1.3.1
+  numpy==1.22.4
+  pandas==1.4.3
   protobuf==3.20.*
-  six>=1.15.0
+  six==1.16.0
   tensorflow==2.9.0
   tensorflow_datasets==4.4.0
 python_requires = >=3.7
@@ -105,9 +105,8 @@ ogbg_pytorch =
   torch-scatter==2.0.9
 
 librispeech_pytorch =
-  ctcdecode>=1.0.2
-  levenshtein>=0.12.0
-  librosa>=0.8.1
+  levenshtein==0.20.0
+  librosa==0.9.2
 
 wmt =
   sentencepiece==0.1.97