diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 2fd06cc79a..a9863b59be 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -425,8 +425,8 @@ end
 class CurlDownloadStrategy < AbstractFileDownloadStrategy
   include Utils::Curl
 
-  # url, basename, time, file_size, is_redirection
-  URLMetadata = T.type_alias { [String, String, T.nilable(Time), T.nilable(Integer), T::Boolean] }
+  # url, basename, time, file_size, content_type, is_redirection
+  URLMetadata = T.type_alias { [String, String, T.nilable(Time), T.nilable(Integer), T.nilable(String), T::Boolean] }
 
   sig { returns(T::Array[String]) }
   attr_reader :mirrors
@@ -470,7 +470,7 @@ class CurlDownloadStrategy < AbstractFileDownloadStrategy
 
         cached_location_valid = cached_location.exist?
 
-        resolved_url, _, last_modified, file_size, is_redirection = begin
+        resolved_url, _, last_modified, file_size, content_type, is_redirection = begin
           resolve_url_basename_time_file_size(url, timeout: Utils::Timer.remaining!(end_time))
         rescue ErrorDuringExecution
           raise unless cached_location_valid
@@ -482,17 +482,19 @@ class CurlDownloadStrategy < AbstractFileDownloadStrategy
         # The cached location is no longer fresh if either:
         # - Last-Modified value is newer than the file's timestamp
         # - Content-Length value is different than the file's size
-        if cached_location_valid && last_modified && last_modified > cached_location.mtime
-          ohai "Ignoring #{cached_location}",
-               "Cached modified time #{cached_location.mtime.iso8601} is before" \
-               "Last-Modified header: #{last_modified.iso8601}"
-          cached_location_valid = false
-        end
-        if cached_location_valid && file_size&.nonzero? && file_size != cached_location.size
-          ohai "Ignoring #{cached_location}",
-               "Cached size #{cached_location.size} differs from " \
-               "Content-Length header: #{file_size}"
-          cached_location_valid = false
+        if cached_location_valid && (content_type.nil? || !content_type.start_with?("text/"))
+          if last_modified && last_modified > cached_location.mtime
+            ohai "Ignoring #{cached_location}",
+                 "Cached modified time #{cached_location.mtime.iso8601} is before" \
+                 "Last-Modified header: #{last_modified.iso8601}"
+            cached_location_valid = false
+          end
+          if file_size&.nonzero? && file_size != cached_location.size
+            ohai "Ignoring #{cached_location}",
+                 "Cached size #{cached_location.size} differs from " \
+                 "Content-Length header: #{file_size}"
+            cached_location_valid = false
+          end
         end
 
         if cached_location_valid
@@ -530,7 +532,7 @@ class CurlDownloadStrategy < AbstractFileDownloadStrategy
 
   sig { params(timeout: T.any(Float, Integer, NilClass)).returns([T.nilable(Time), Integer]) }
   def resolved_time_file_size(timeout: nil)
-    _, _, time, file_size = resolve_url_basename_time_file_size(url, timeout:)
+    _, _, time, file_size, = resolve_url_basename_time_file_size(url, timeout:)
     [time, T.must(file_size)]
   end
 
@@ -548,9 +550,9 @@ class CurlDownloadStrategy < AbstractFileDownloadStrategy
     return @resolved_info_cache.fetch(url) if @resolved_info_cache.include?(url)
 
     begin
-      parsed_output = curl_headers(url.to_s, wanted_headers: ["content-disposition"], timeout:)
+      parsed_output = curl_headers(url.to_s, wanted_headers: ["content-disposition", "content-type"], timeout:)
     rescue ErrorDuringExecution
-      return [url, parse_basename(url), nil, nil, false]
+      return [url, parse_basename(url), nil, nil, nil, false]
     end
 
     parsed_headers = parsed_output.fetch(:responses).map { |r| r.fetch(:headers) }
@@ -602,10 +604,14 @@ class CurlDownloadStrategy < AbstractFileDownloadStrategy
                 .flat_map { |headers| [*headers["content-length"]&.to_i] }
                 .last
 
+    content_type = parsed_headers
+                   .flat_map { |headers| [*headers["content-type"]] }
+                   .last
+
     is_redirection = url != final_url
     basename = filenames.last || parse_basename(final_url, search_query: !is_redirection)
 
-    @resolved_info_cache[url] = [final_url, basename, time.last, file_size, is_redirection]
+    @resolved_info_cache[url] = [final_url, basename, time.last, file_size, content_type, is_redirection]
   end
 
   sig {
@@ -723,7 +729,7 @@ class CurlGitHubPackagesDownloadStrategy < CurlDownloadStrategy
   def resolve_url_basename_time_file_size(url, timeout: nil)
     return super if @resolved_basename.blank?
 
-    [url, @resolved_basename, nil, nil, false]
+    [url, @resolved_basename, nil, nil, nil, false]
   end
 end