diff --git a/.github/bin/create-artifact b/.github/bin/create-artifact
index 7e71d6e1d..c765f602b 100755
--- a/.github/bin/create-artifact
+++ b/.github/bin/create-artifact
@@ -3,7 +3,7 @@
 ARTIFACTS_DIR="artifacts"
 mkdir -p $ARTIFACTS_DIR
 
-BINARY_NAME="canonicaldatasyncer"
+BINARY_NAME="canonical_data_syncer"
 
 case "$OS" in
   windows)
diff --git a/.gitignore b/.gitignore
index 69105a859..2fcee1cf8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 .vscode/
 
 # Application binary
-canonicaldatasyncer
+canonical_data_syncer
 
 # Temporary prob-specs repo
 .problem-specifications/
diff --git a/README.md b/README.md
index 4212984aa..edfa31ca5 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ This small application is used to help Exercism tracks keep their exercise-speci
 The application is a single binary and can be used as follows:
 
 ```
-Usage: canonicaldatasyncer [options]
+Usage: canonical_data_syncer [options]
 
 Options:
   -e, --exercise <slug>        Only sync this exercise
@@ -22,7 +22,7 @@ Running the application will prompt the user to choose whether to include or exc
 
 ## Use in your track
 
-To use the application in your track, you can copy the [`scripts/fetch-canonicaldatasyncer`](./scripts/fetch-canonicaldatasyncer) and/or [`scripts/fetch-canonicaldatasyncer.ps1`](./scripts/fetch-canonicaldatasyncer.ps1) files to your track's repository. Running either of these scripts will download the latest version of the `canonicaldatasyncer` tool to your track's `bin` directory.
+To use the application in your track, you can copy the [`scripts/fetch-canonical_data_syncer`](./scripts/fetch-canonical_data_syncer) and/or [`scripts/fetch-canonical_data_syncer.ps1`](./scripts/fetch-canonical_data_syncer.ps1) files to your track's repository. Running either of these scripts will download the latest version of the `canonical_data_syncer` tool to your track's `bin` directory.
 
 ## Contributing
 
diff --git a/canonicaldatasyncer.nimble b/canonical_data_syncer.nimble
similarity index 87%
rename from canonicaldatasyncer.nimble
rename to canonical_data_syncer.nimble
index c766956f2..b5c188ee0 100644
--- a/canonicaldatasyncer.nimble
+++ b/canonical_data_syncer.nimble
@@ -4,7 +4,7 @@ author        = "Erik Schierboom"
 description   = "Sync canonical data from the Problem Specifications repo to the track repo"
 license       = "AGPL3"
 srcDir        = "src"
-bin           = @["canonicaldatasyncer"]
+bin           = @["canonical_data_syncer"]
 
 backend       = "c"
 
diff --git a/scripts/fetch-canonicaldatasyncer b/scripts/fetch-canonical_data_syncer
similarity index 84%
rename from scripts/fetch-canonicaldatasyncer
rename to scripts/fetch-canonical_data_syncer
index 3fcacfc44..94be5ac2b 100755
--- a/scripts/fetch-canonicaldatasyncer
+++ b/scripts/fetch-canonical_data_syncer
@@ -32,7 +32,7 @@ else
     HEADER="authorization: Bearer ${GITHUB_TOKEN}"
 fi
 
-FILENAME="canonicaldatasyncer-${OS}-${ARCH}.${EXT}"
+FILENAME="canonical_data_syncer-${OS}-${ARCH}.${EXT}"
 
 get_url () {
     curl --header "$HEADER" -s "$LATEST" |
@@ -44,9 +44,9 @@ URL=$(get_url)
 
 case "$EXT" in
     (*zip)
-        curl --header "$HEADER" -s --location "$URL" -o bin/latest-canonicaldatasyncer.zip
-        unzip bin/latest-canonicaldatasyncer.zip -d bin/
-        rm bin/latest-canonicaldatasyncer.zip
+        curl --header "$HEADER" -s --location "$URL" -o bin/latest-canonical-data-syncer.zip
+        unzip bin/latest-canonical-data-syncer.zip -d bin/
+        rm bin/latest-canonical-data-syncer.zip
         ;;
     (*) curl --header "$HEADER" -s --location "$URL" | tar xz -C bin/ ;;
 esac
diff --git a/scripts/fetch-canonicaldatasyncer.ps1 b/scripts/fetch-canonical_data_syncer.ps1
similarity index 94%
rename from scripts/fetch-canonicaldatasyncer.ps1
rename to scripts/fetch-canonical_data_syncer.ps1
index e0a06dc6a..025bddaed 100644
--- a/scripts/fetch-canonicaldatasyncer.ps1
+++ b/scripts/fetch-canonical_data_syncer.ps1
@@ -14,7 +14,7 @@ Function Arch {
 
 $arch = Arch
 $headers = Headers
-$fileName = "canonicaldatasyncer-windows-$arch.zip"
+$fileName = "canonical_data_syncer-windows-$arch.zip"
 $outputDirectory = "bin"
 $outputFile = Join-Path -Path $outputDirectory -ChildPath $fileName
 $zipUrl = DownloadUrl -FileName $fileName -Headers $headers
diff --git a/src/canonicaldatasyncer.nim b/src/canonical_data_syncer.nim
similarity index 100%
rename from src/canonicaldatasyncer.nim
rename to src/canonical_data_syncer.nim