diff --git a/README.md b/README.md
index 97ca02524..478e408de 100644
--- a/README.md
+++ b/README.md
@@ -111,9 +111,9 @@ Output:
 
 # Supported formats
 
-| Format    | `.tar` | `.zip` | `.gz` | `.xz`, `.lzma` | `.bz`, `.bz2` | `.lz4` | `.sz` (Snappy) | `.zst` |
+| Format    | `.tar` | `.zip` | `7z` | `.gz` | `.xz`, `.lzma` | `.bz`, `.bz2` | `.lz4` | `.sz` (Snappy) | `.zst` |
 |:---------:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
-| Supported | ✓ | ✓¹ | ✓² | ✓ | ✓ | ✓ | ✓² | ✓ |
+| Supported | ✓ | ✓¹ | ✓ | ✓² | ✓ | ✓ | ✓ | ✓² | ✓ |
 
 ✓: Supports compression and decompression.
 
diff --git a/src/cli/args.rs b/src/cli/args.rs
index 4b724f02c..ca02e9d61 100644
--- a/src/cli/args.rs
+++ b/src/cli/args.rs
@@ -5,7 +5,7 @@ use clap::{Parser, ValueHint};
 // Ouch command line options (docstrings below are part of --help)
 /// A command-line utility for easily compressing and decompressing files and directories.
 ///
-/// Supported formats: tar, zip, gz, xz/lzma, bz/bz2, lz4, sz (Snappy), zst.
+/// Supported formats: tar, zip, gz, 7z, xz/lzma, bz/bz2, lz4, sz (Snappy), zst.
 ///
 /// Repository: https://github.com/ouch-org/ouch
 #[derive(Parser, Debug, PartialEq)]
diff --git a/tests/snapshots/ui__ui_test_usage_help_flag.snap b/tests/snapshots/ui__ui_test_usage_help_flag.snap
index ccb2c6f1d..4032a2101 100644
--- a/tests/snapshots/ui__ui_test_usage_help_flag.snap
+++ b/tests/snapshots/ui__ui_test_usage_help_flag.snap
@@ -4,7 +4,7 @@ expression: "output_to_string(ouch!(\"--help\"))"
 ---
 A command-line utility for easily compressing and decompressing files and directories.
 
-Supported formats: tar, zip, gz, xz/lzma, bz/bz2, lz4, sz (Snappy), zst.
+Supported formats: tar, zip, gz, 7z, xz/lzma, bz/bz2, lz4, sz (Snappy), zst.
 
 Repository: https://github.com/ouch-org/ouch