diff --git a/.ci_scripts/run-all-pcaps.sh b/.ci_scripts/run-all-pcaps.sh
index 1d8c5dc29ebd1317b4fa2e5f50822169bc7b46cf..8f75b0029278f620aef050dce92600830c619331 100755
--- a/.ci_scripts/run-all-pcaps.sh
+++ b/.ci_scripts/run-all-pcaps.sh
@@ -4,8 +4,8 @@ EXITCODE=0
 
 for pcap in $GITHUB_WORKSPACE/traces/*.pcap
 do
-    # Run pcap-tweaker script on pcap file
-    python3 $GITHUB_WORKSPACE/src/pcap-tweaker.py $pcap
+    # Run pcap_tweaker script on pcap file
+    python3 $GITHUB_WORKSPACE/src/pcap_tweaker.py $pcap
     # If the exit code is not 0, set EXITCODE to 1
     if [[ $? -ne 0 ]]
     then
diff --git a/README.md b/README.md
index 6a8682b21ab723a81c8d40fbf1e1de8a5ec4a11e..234d1eaf19715ce378358d4d0f35f06c3bc8099b 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ pip install -r requirements.txt
 ## Usage
 
 ```bash
-python3 pcap-tweaker.py [-h] [-d] [-r RANDOM_RANGE] [-n PACKET_NUMBER] pcap [pcap ...]
+python3 pcap_tweaker.py [-h] [-d] [-r RANDOM_RANGE] [-n PACKET_NUMBER] pcap [pcap ...]
 ```
 
 The program produces new PCAP file with the same name as the input files,
diff --git a/src/pcap-tweaker.py b/src/pcap_tweaker.py
similarity index 100%
rename from src/pcap-tweaker.py
rename to src/pcap_tweaker.py