diff --git a/src/compression.rs b/src/compression.rs
index 603e6d8c..56aa57ae 100644
--- a/src/compression.rs
+++ b/src/compression.rs
@@ -142,9 +142,24 @@ impl fmt::Display for CompressionMethod {
     }
 }
 
+/// The compression methods which have been implemented.
+pub const SUPPORTED_COMPRESSION_METHODS: &[CompressionMethod] = &[
+    CompressionMethod::Stored,
+    #[cfg(any(
+        feature = "deflate",
+        feature = "deflate-miniz",
+        feature = "deflate-zlib"
+    ))]
+    CompressionMethod::Deflated,
+    #[cfg(feature = "bzip2")]
+    CompressionMethod::Bzip2,
+    #[cfg(feature = "zstd")]
+    CompressionMethod::Zstd,
+];
+
 #[cfg(test)]
 mod test {
-    use super::CompressionMethod;
+    use super::{CompressionMethod, SUPPORTED_COMPRESSION_METHODS};
 
     #[test]
     fn from_eq_to() {
@@ -157,22 +172,6 @@ mod test {
         }
     }
 
-    fn methods() -> Vec<CompressionMethod> {
-        vec![
-            CompressionMethod::Stored,
-            #[cfg(any(
-                feature = "deflate",
-                feature = "deflate-miniz",
-                feature = "deflate-zlib"
-            ))]
-            CompressionMethod::Deflated,
-            #[cfg(feature = "bzip2")]
-            CompressionMethod::Bzip2,
-            #[cfg(feature = "zstd")]
-            CompressionMethod::Zstd,
-        ]
-    }
-
     #[test]
     fn to_eq_from() {
         fn check_match(method: CompressionMethod) {
@@ -185,7 +184,7 @@ mod test {
             assert_eq!(to, back);
         }
 
-        for method in methods() {
+        for &method in SUPPORTED_COMPRESSION_METHODS {
             check_match(method);
         }
     }
@@ -198,7 +197,7 @@ mod test {
             assert_eq!(debug_str, display_str);
         }
 
-        for method in methods() {
+        for &method in SUPPORTED_COMPRESSION_METHODS {
             check_match(method);
         }
     }
diff --git a/src/lib.rs b/src/lib.rs
index 1abf42ec..208f5ad0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@
 
 #![warn(missing_docs)]
 
-pub use crate::compression::CompressionMethod;
+pub use crate::compression::{CompressionMethod, SUPPORTED_COMPRESSION_METHODS};
 pub use crate::read::ZipArchive;
 pub use crate::types::DateTime;
 pub use crate::write::ZipWriter;