diff --git a/qa/L0_jax_unittest/test.sh b/qa/L0_jax_unittest/test.sh
index 5d833792cc..0be19bba67 100644
--- a/qa/L0_jax_unittest/test.sh
+++ b/qa/L0_jax_unittest/test.sh
@@ -21,7 +21,7 @@ FAILED_CASES=""
 
 export NVTE_JAX_TEST_TIMING=1
 
-pip3 install "nltk>=3.8.2" || error_exit "Failed to install nltk"
+pip3 install "nltk>=3.8.2,<3.10.1" || error_exit "Failed to install nltk"
 pip3 install pytest==8.2.1 || error_exit "Failed to install pytest"
 
 : ${TE_PATH:=/opt/transformerengine}
diff --git a/qa/L2_jax_unittest/test.sh b/qa/L2_jax_unittest/test.sh
index f455ec0df3..dd11cd5d2d 100644
--- a/qa/L2_jax_unittest/test.sh
+++ b/qa/L2_jax_unittest/test.sh
@@ -21,7 +21,7 @@ FAILED_CASES=""
 
 export NVTE_JAX_TEST_TIMING=1
 
-pip3 install "nltk>=3.8.2" || error_exit "Failed to install nltk"
+pip3 install "nltk>=3.8.2,<3.10.1" || error_exit "Failed to install nltk"
 pip3 install pytest==8.2.1 || error_exit "Failed to install pytest"
 
 : ${TE_PATH:=/opt/transformerengine}