diff --git a/src/brotliBitReader.js b/src/brotli.bitreader.js
similarity index 100%
rename from src/brotliBitReader.js
rename to src/brotli.bitreader.js
diff --git a/src/brotliDictionary.js b/src/brotli.dictionary.js
similarity index 100%
rename from src/brotliDictionary.js
rename to src/brotli.dictionary.js
diff --git a/src/brotliHuffman.js b/src/brotli.huffman.js
similarity index 99%
rename from src/brotliHuffman.js
rename to src/brotli.huffman.js
index 54da4e2..9e2f46e 100644
--- a/src/brotliHuffman.js
+++ b/src/brotli.huffman.js
@@ -151,7 +151,7 @@ export function buildHuffmanTable(root_table, table, root_bits, code_lengths, co
 }
 
 /**
- * @typedef {import('./brotliBitReader.js').default} BrotliBitReader
+ * @typedef {import('./brotli.bitreader.js').default} BrotliBitReader
  * @param {number} alphabet_size
  * @param {HuffmanCode[]} tables
  * @param {number} table
diff --git a/src/brotli.js b/src/brotli.js
index 4533382..4f547e7 100644
--- a/src/brotli.js
+++ b/src/brotli.js
@@ -3,12 +3,12 @@
  * Copyright 2013 Google Inc, Apache License 2.0
  */
 
-import BrotliBitReader from './brotliBitReader.js'
+import BrotliBitReader from './brotli.bitreader.js'
 import { lookup, lookupOffsets } from './brotliContext.js'
-import { HuffmanCode, readHuffmanCode, readSymbol } from './brotliHuffman.js'
-import { kBlockLengthPrefixCode, kCopyLengthPrefixCode, kCopyRangeLut, kInsertLengthPrefixCode, kInsertRangeLut } from './brotliPrefix.js'
+import { HuffmanCode, readHuffmanCode, readSymbol } from './brotli.huffman.js'
+import { kBlockLengthPrefixCode, kCopyLengthPrefixCode, kCopyRangeLut, kInsertLengthPrefixCode, kInsertRangeLut } from './brotli.prefix.js'
 import { BrotliInput, BrotliOutput } from './brotliStreams.js'
-import { kNumTransforms, transformDictionaryWord } from './brotliTransform.js'
+import { kNumTransforms, transformDictionaryWord } from './brotli.transform.js'
 
 const kNumLiteralCodes = 256
 const kNumInsertAndCopyCodes = 704
diff --git a/src/brotliPrefix.js b/src/brotli.prefix.js
similarity index 100%
rename from src/brotliPrefix.js
rename to src/brotli.prefix.js
diff --git a/src/brotliTransform.js b/src/brotli.transform.js
similarity index 99%
rename from src/brotliTransform.js
rename to src/brotli.transform.js
index 563bb5a..9a15c88 100644
--- a/src/brotliTransform.js
+++ b/src/brotli.transform.js
@@ -15,7 +15,7 @@
    Transformations on dictionary words.
 */
 
-import { getDictionary } from './brotliDictionary.js'
+import { getDictionary } from './brotli.dictionary.js'
 
 const kIdentity = 0
 const kOmitLast1 = 1