diff --git a/schemars/tests/expected/schema-openapi3.json b/schemars/tests/expected/schema-openapi3.json
index 5708360..2746c84 100644
--- a/schemars/tests/expected/schema-openapi3.json
+++ b/schemars/tests/expected/schema-openapi3.json
@@ -139,16 +139,19 @@
     "maxItems": {
       "type": "integer",
       "format": "uint32",
+      "minimum": 0.0,
       "nullable": true
     },
     "maxLength": {
       "type": "integer",
       "format": "uint32",
+      "minimum": 0.0,
       "nullable": true
     },
     "maxProperties": {
       "type": "integer",
       "format": "uint32",
+      "minimum": 0.0,
       "nullable": true
     },
     "maximum": {
@@ -159,16 +162,19 @@
     "minItems": {
       "type": "integer",
       "format": "uint32",
+      "minimum": 0.0,
       "nullable": true
     },
     "minLength": {
       "type": "integer",
       "format": "uint32",
+      "minimum": 0.0,
       "nullable": true
     },
     "minProperties": {
       "type": "integer",
       "format": "uint32",
+      "minimum": 0.0,
       "nullable": true
     },
     "minimum": {
@@ -424,16 +430,19 @@
         "maxItems": {
           "type": "integer",
           "format": "uint32",
+          "minimum": 0.0,
           "nullable": true
         },
         "maxLength": {
           "type": "integer",
           "format": "uint32",
+          "minimum": 0.0,
           "nullable": true
         },
         "maxProperties": {
           "type": "integer",
           "format": "uint32",
+          "minimum": 0.0,
           "nullable": true
         },
         "maximum": {
@@ -444,16 +453,19 @@
         "minItems": {
           "type": "integer",
           "format": "uint32",
+          "minimum": 0.0,
           "nullable": true
         },
         "minLength": {
           "type": "integer",
           "format": "uint32",
+          "minimum": 0.0,
           "nullable": true
         },
         "minProperties": {
           "type": "integer",
           "format": "uint32",
+          "minimum": 0.0,
           "nullable": true
         },
         "minimum": {
diff --git a/schemars/tests/expected/schema.json b/schemars/tests/expected/schema.json
index 1fabd53..9ba6963 100644
--- a/schemars/tests/expected/schema.json
+++ b/schemars/tests/expected/schema.json
@@ -148,21 +148,24 @@
         "integer",
         "null"
       ],
-      "format": "uint32"
+      "format": "uint32",
+      "minimum": 0.0
     },
     "maxLength": {
       "type": [
         "integer",
         "null"
       ],
-      "format": "uint32"
+      "format": "uint32",
+      "minimum": 0.0
     },
     "maxProperties": {
       "type": [
         "integer",
         "null"
       ],
-      "format": "uint32"
+      "format": "uint32",
+      "minimum": 0.0
     },
     "maximum": {
       "type": [
@@ -176,21 +179,24 @@
         "integer",
         "null"
       ],
-      "format": "uint32"
+      "format": "uint32",
+      "minimum": 0.0
     },
     "minLength": {
       "type": [
         "integer",
         "null"
       ],
-      "format": "uint32"
+      "format": "uint32",
+      "minimum": 0.0
     },
     "minProperties": {
       "type": [
         "integer",
         "null"
       ],
-      "format": "uint32"
+      "format": "uint32",
+      "minimum": 0.0
     },
     "minimum": {
       "type": [
@@ -457,21 +463,24 @@
             "integer",
             "null"
           ],
-          "format": "uint32"
+          "format": "uint32",
+          "minimum": 0.0
         },
         "maxLength": {
           "type": [
             "integer",
             "null"
           ],
-          "format": "uint32"
+          "format": "uint32",
+          "minimum": 0.0
         },
         "maxProperties": {
           "type": [
             "integer",
             "null"
           ],
-          "format": "uint32"
+          "format": "uint32",
+          "minimum": 0.0
         },
         "maximum": {
           "type": [
@@ -485,21 +494,24 @@
             "integer",
             "null"
           ],
-          "format": "uint32"
+          "format": "uint32",
+          "minimum": 0.0
         },
         "minLength": {
           "type": [
             "integer",
             "null"
           ],
-          "format": "uint32"
+          "format": "uint32",
+          "minimum": 0.0
         },
         "minProperties": {
           "type": [
             "integer",
             "null"
           ],
-          "format": "uint32"
+          "format": "uint32",
+          "minimum": 0.0
         },
         "minimum": {
           "type": [