diff --git a/src/post_process/mod.rs b/src/post_process/mod.rs
index ea9bfdc..5314b53 100644
--- a/src/post_process/mod.rs
+++ b/src/post_process/mod.rs
@@ -198,6 +198,22 @@ where
                 match rs.sniffed_mime {
                     Some(mime) if config.normalization > NormalizationPolicy::Never => {
                         if mime.starts_with("image/") {
+                            if mime.starts_with("image/gif") {
+                                return Ok(MediaResponse::PassThru(PassThru {
+                                    header_len: header
+                                        .position()
+                                        .try_into()
+                                        .map_err(|_| ErrorResponse::payload_too_large())?,
+                                    header: Box::new(header.into_inner()),
+                                    remaining_body,
+                                    content_type: Some(mime.to_string()),
+                                    is_https,
+                                })
+                                .with_timing_info(TIME_TO_FIRST_BYTE_KEY, ttfb)
+                                .with_opt_timing_info(SLURP_TIMING_KEY, None)
+                                .with_timing_info(TIMING_KEY, begin.elapsed()));
+                            }
+
                             if config.normalization <= NormalizationPolicy::Opportunistic
                                 && !options.requested_resize()
                                 && (config.normalization <= NormalizationPolicy::Lazy