diff --git a/jar/jar.go b/jar/jar.go
index a8f06a4f3..f164ee1ee 100644
--- a/jar/jar.go
+++ b/jar/jar.go
@@ -77,7 +77,7 @@ func MetaDirFileHeader() *zip.FileHeader {
 		Name:  MetaDir,
 		Extra: []byte{MetaDirExtra[1], MetaDirExtra[0], 0, 0},
 	}
-	dirHeader.SetMode(0700 | os.ModeDir)
+	dirHeader.SetMode(0755 | os.ModeDir)
 	dirHeader.SetModTime(DefaultTime)
 
 	return dirHeader
@@ -95,7 +95,7 @@ func ManifestFileContents(contents []byte) (*zip.FileHeader, []byte, error) {
 		Method:             zip.Store,
 		UncompressedSize64: uint64(len(b)),
 	}
-	fh.SetMode(0700)
+	fh.SetMode(0644)
 	fh.SetModTime(DefaultTime)
 
 	return fh, b, nil
diff --git a/zip/zip.go b/zip/zip.go
index 6e412c956..ae379f52e 100644
--- a/zip/zip.go
+++ b/zip/zip.go
@@ -656,9 +656,9 @@ func (z *ZipWriter) addFile(dest, src string, method uint16, emulateJar, srcJar
 			UncompressedSize64: uint64(fileSize),
 		}
 
-		mode := os.FileMode(0600)
+		mode := os.FileMode(0644)
 		if executable {
-			mode = 0700
+			mode = 0755
 		}
 		header.SetMode(mode)
 
@@ -955,7 +955,7 @@ func (z *ZipWriter) writeDirectory(dir string, src string, emulateJar bool) erro
 				dirHeader = &zip.FileHeader{
 					Name: cleanDir + "/",
 				}
-				dirHeader.SetMode(0700 | os.ModeDir)
+				dirHeader.SetMode(0755 | os.ModeDir)
 			}
 
 			dirHeader.SetModTime(z.time)
diff --git a/zip/zip_test.go b/zip/zip_test.go
index 441dea3bd..79cc0b4b7 100644
--- a/zip/zip_test.go
+++ b/zip/zip_test.go
@@ -62,7 +62,7 @@ func fh(name string, contents []byte, method uint16) zip.FileHeader {
 		Method:             method,
 		CRC32:              crc32.ChecksumIEEE(contents),
 		UncompressedSize64: uint64(len(contents)),
-		ExternalAttrs:      (syscall.S_IFREG | 0600) << 16,
+		ExternalAttrs:      (syscall.S_IFREG | 0644) << 16,
 	}
 }
 
@@ -72,7 +72,7 @@ func fhManifest(contents []byte) zip.FileHeader {
 		Method:             zip.Store,
 		CRC32:              crc32.ChecksumIEEE(contents),
 		UncompressedSize64: uint64(len(contents)),
-		ExternalAttrs:      (syscall.S_IFREG | 0700) << 16,
+		ExternalAttrs:      (syscall.S_IFREG | 0644) << 16,
 	}
 }
 
@@ -92,7 +92,7 @@ func fhDir(name string) zip.FileHeader {
 		Method:             zip.Store,
 		CRC32:              crc32.ChecksumIEEE(nil),
 		UncompressedSize64: 0,
-		ExternalAttrs:      (syscall.S_IFDIR|0700)<<16 | 0x10,
+		ExternalAttrs:      (syscall.S_IFDIR|0755)<<16 | 0x10,
 	}
 }