diff --git a/Cargo.toml b/Cargo.toml
index 969d18e..3ddcc8c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ zstdmt = ["zstd", "zstd-safe/zstdmt"]
 deflate64 = ["dep:deflate64"]
 
 [dependencies]
-brotli = { version = "4.0", optional = true, default-features = false, features = ["std"] }
+brotli = { version = "5.0", optional = true }
 bzip2 = { version = "0.4.4", optional = true }
 flate2 = { version = "1.0.13", optional = true }
 futures-core = { version = "0.3", default-features = false }
diff --git a/src/codec/brotli/encoder.rs b/src/codec/brotli/encoder.rs
index 69f28b8..dc974e3 100644
--- a/src/codec/brotli/encoder.rs
+++ b/src/codec/brotli/encoder.rs
@@ -3,10 +3,7 @@ use std::{fmt, io};
 
 use brotli::enc::{
     backward_references::BrotliEncoderParams,
-    encode::{
-        BrotliEncoderCompressStream, BrotliEncoderCreateInstance, BrotliEncoderHasMoreOutput,
-        BrotliEncoderIsFinished, BrotliEncoderOperation, BrotliEncoderStateStruct,
-    },
+    encode::{BrotliEncoderOperation, BrotliEncoderStateStruct},
     StandardAlloc,
 };
 
@@ -16,7 +13,7 @@ pub struct BrotliEncoder {
 
 impl BrotliEncoder {
     pub(crate) fn new(params: BrotliEncoderParams) -> Self {
-        let mut state = BrotliEncoderCreateInstance(StandardAlloc::default());
+        let mut state = BrotliEncoderStateStruct::new(StandardAlloc::default());
         state.params = params;
         Self { state }
     }
@@ -33,8 +30,7 @@ impl BrotliEncoder {
         let mut input_len = 0;
         let mut output_len = 0;
 
-        if BrotliEncoderCompressStream(
-            &mut self.state,
+        if !self.state.compress_stream(
             op,
             &mut in_buf.len(),
             in_buf,
@@ -44,8 +40,7 @@ impl BrotliEncoder {
             &mut output_len,
             &mut None,
             &mut |_, _, _, _| (),
-        ) <= 0
-        {
+        ) {
             return Err(io::Error::new(io::ErrorKind::Other, "brotli error"));
         }
 
@@ -79,7 +74,7 @@ impl Encode for BrotliEncoder {
             BrotliEncoderOperation::BROTLI_OPERATION_FLUSH,
         )?;
 
-        Ok(BrotliEncoderHasMoreOutput(&self.state) == 0)
+        Ok(!self.state.has_more_output())
     }
 
     fn finish(
@@ -92,7 +87,7 @@ impl Encode for BrotliEncoder {
             BrotliEncoderOperation::BROTLI_OPERATION_FINISH,
         )?;
 
-        Ok(BrotliEncoderIsFinished(&self.state) == 1)
+        Ok(self.state.is_finished())
     }
 }