diff --git a/tests/draft2019-09/optional/format/uri.json b/tests/draft2019-09/optional/format/uri.json
index 1b12e7e4..5c9f9411 100644
--- a/tests/draft2019-09/optional/format/uri.json
+++ b/tests/draft2019-09/optional/format/uri.json
@@ -197,6 +197,36 @@
                 "comment": "RFC 3986, Section 3.2.2: Fallback to reg-name allows digits and dots.",
                 "data": "http://999.999.999.999/",
                 "valid": true
+            },
+            {
+                "description": "invalid percent-encoding with non-hex digits",
+                "data": "http://example.com/%6G",
+                "valid": false
+            },
+            {
+                "description": "incomplete percent-encoding triplet",
+                "data": "http://example.com/%A",
+                "valid": false
+            },
+            {
+                "description": "lone percent sign is invalid",
+                "data": "http://example.com/%",
+                "valid": false
+            },
+            {
+                "description": "scheme must start with a letter",
+                "data": "1http://example.com",
+                "valid": false
+            },
+            {
+                "description": "invalid character in scheme",
+                "data": "ht_tp://example.com",
+                "valid": false
+            },
+            {
+                "description": "non-numeric port is invalid",
+                "data": "http://example.com:abc/path",
+                "valid": false
             }
         ]
     }
diff --git a/tests/draft2020-12/optional/format/uri.json b/tests/draft2020-12/optional/format/uri.json
index ca692d0a..3057c9fc 100644
--- a/tests/draft2020-12/optional/format/uri.json
+++ b/tests/draft2020-12/optional/format/uri.json
@@ -197,6 +197,36 @@
                 "comment": "RFC 3986, Section 3.2.2: Fallback to reg-name allows digits and dots.",
                 "data": "http://999.999.999.999/",
                 "valid": true
+            },
+            {
+                "description": "invalid percent-encoding with non-hex digits",
+                "data": "http://example.com/%6G",
+                "valid": false
+            },
+            {
+                "description": "incomplete percent-encoding triplet",
+                "data": "http://example.com/%A",
+                "valid": false
+            },
+            {
+                "description": "lone percent sign is invalid",
+                "data": "http://example.com/%",
+                "valid": false
+            },
+            {
+                "description": "scheme must start with a letter",
+                "data": "1http://example.com",
+                "valid": false
+            },
+            {
+                "description": "invalid character in scheme",
+                "data": "ht_tp://example.com",
+                "valid": false
+            },
+            {
+                "description": "non-numeric port is invalid",
+                "data": "http://example.com:abc/path",
+                "valid": false
             }
         ]
     }
diff --git a/tests/draft4/optional/format/uri.json b/tests/draft4/optional/format/uri.json
index 97ea76da..e545bbee 100644
--- a/tests/draft4/optional/format/uri.json
+++ b/tests/draft4/optional/format/uri.json
@@ -194,6 +194,36 @@
                 "comment": "RFC 3986, Section 3.2.2: Fallback to reg-name allows digits and dots.",
                 "data": "http://999.999.999.999/",
                 "valid": true
+            },
+            {
+                "description": "invalid percent-encoding with non-hex digits",
+                "data": "http://example.com/%6G",
+                "valid": false
+            },
+            {
+                "description": "incomplete percent-encoding triplet",
+                "data": "http://example.com/%A",
+                "valid": false
+            },
+            {
+                "description": "lone percent sign is invalid",
+                "data": "http://example.com/%",
+                "valid": false
+            },
+            {
+                "description": "scheme must start with a letter",
+                "data": "1http://example.com",
+                "valid": false
+            },
+            {
+                "description": "invalid character in scheme",
+                "data": "ht_tp://example.com",
+                "valid": false
+            },
+            {
+                "description": "non-numeric port is invalid",
+                "data": "http://example.com:abc/path",
+                "valid": false
             }
         ]
     }
diff --git a/tests/draft6/optional/format/uri.json b/tests/draft6/optional/format/uri.json
index 97ea76da..e545bbee 100644
--- a/tests/draft6/optional/format/uri.json
+++ b/tests/draft6/optional/format/uri.json
@@ -194,6 +194,36 @@
                 "comment": "RFC 3986, Section 3.2.2: Fallback to reg-name allows digits and dots.",
                 "data": "http://999.999.999.999/",
                 "valid": true
+            },
+            {
+                "description": "invalid percent-encoding with non-hex digits",
+                "data": "http://example.com/%6G",
+                "valid": false
+            },
+            {
+                "description": "incomplete percent-encoding triplet",
+                "data": "http://example.com/%A",
+                "valid": false
+            },
+            {
+                "description": "lone percent sign is invalid",
+                "data": "http://example.com/%",
+                "valid": false
+            },
+            {
+                "description": "scheme must start with a letter",
+                "data": "1http://example.com",
+                "valid": false
+            },
+            {
+                "description": "invalid character in scheme",
+                "data": "ht_tp://example.com",
+                "valid": false
+            },
+            {
+                "description": "non-numeric port is invalid",
+                "data": "http://example.com:abc/path",
+                "valid": false
             }
         ]
     }
diff --git a/tests/draft7/optional/format/uri.json b/tests/draft7/optional/format/uri.json
index 97ea76da..e545bbee 100644
--- a/tests/draft7/optional/format/uri.json
+++ b/tests/draft7/optional/format/uri.json
@@ -194,6 +194,36 @@
                 "comment": "RFC 3986, Section 3.2.2: Fallback to reg-name allows digits and dots.",
                 "data": "http://999.999.999.999/",
                 "valid": true
+            },
+            {
+                "description": "invalid percent-encoding with non-hex digits",
+                "data": "http://example.com/%6G",
+                "valid": false
+            },
+            {
+                "description": "incomplete percent-encoding triplet",
+                "data": "http://example.com/%A",
+                "valid": false
+            },
+            {
+                "description": "lone percent sign is invalid",
+                "data": "http://example.com/%",
+                "valid": false
+            },
+            {
+                "description": "scheme must start with a letter",
+                "data": "1http://example.com",
+                "valid": false
+            },
+            {
+                "description": "invalid character in scheme",
+                "data": "ht_tp://example.com",
+                "valid": false
+            },
+            {
+                "description": "non-numeric port is invalid",
+                "data": "http://example.com:abc/path",
+                "valid": false
             }
         ]
     }
diff --git a/tests/v1/format/uri.json b/tests/v1/format/uri.json
index b69add0d..cb26a0b4 100644
--- a/tests/v1/format/uri.json
+++ b/tests/v1/format/uri.json
@@ -197,6 +197,36 @@
                 "comment": "RFC 3986, Section 3.2.2: Fallback to reg-name allows digits and dots.",
                 "data": "http://999.999.999.999/",
                 "valid": true
+            },
+            {
+                "description": "invalid percent-encoding with non-hex digits",
+                "data": "http://example.com/%6G",
+                "valid": false
+            },
+            {
+                "description": "incomplete percent-encoding triplet",
+                "data": "http://example.com/%A",
+                "valid": false
+            },
+            {
+                "description": "lone percent sign is invalid",
+                "data": "http://example.com/%",
+                "valid": false
+            },
+            {
+                "description": "scheme must start with a letter",
+                "data": "1http://example.com",
+                "valid": false
+            },
+            {
+                "description": "invalid character in scheme",
+                "data": "ht_tp://example.com",
+                "valid": false
+            },
+            {
+                "description": "non-numeric port is invalid",
+                "data": "http://example.com:abc/path",
+                "valid": false
             }
         ]
     }