diff --git a/crd-generator/api-v2/src/main/java/io/fabric8/crdv2/generator/AbstractJsonSchema.java b/crd-generator/api-v2/src/main/java/io/fabric8/crdv2/generator/AbstractJsonSchema.java
index 7b93e4fb3b2..3c3b3eea2d3 100644
--- a/crd-generator/api-v2/src/main/java/io/fabric8/crdv2/generator/AbstractJsonSchema.java
+++ b/crd-generator/api-v2/src/main/java/io/fabric8/crdv2/generator/AbstractJsonSchema.java
@@ -591,34 +591,49 @@ private void handleTypeAnnotations(final T schema, BeanProperty beanProperty, Cl
 
     AnnotatedElement member = beanProperty.getMember().getAnnotated();
     AnnotatedType fieldType = null;
-    AnnotatedType type = null;
+    AnnotatedType methodType = null;
     if (member instanceof Field) {
       fieldType = ((Field) member).getAnnotatedType();
     } else if (member instanceof Method) {
       fieldType = getFieldForMethod(beanProperty).map(Field::getAnnotatedType).orElse(null);
-      type = ((Method) member).getAnnotatedReceiverType();
+      methodType = ((Method) member).getAnnotatedReceiverType();
     }
 
-    Stream.of(fieldType, type)
+    Stream.of(fieldType, methodType)
         .filter(o -> !Objects.isNull(o))
         .filter(AnnotatedParameterizedType.class::isInstance)
         .map(AnnotatedParameterizedType.class::cast)
         .map(AnnotatedParameterizedType::getAnnotatedActualTypeArguments)
         .map(a -> a[typeIndex])
         .forEach(at -> {
-          Optional.ofNullable(at.getAnnotation(Pattern.class)).ifPresent(a -> schema.setPattern(a.value()));
-          Optional.ofNullable(at.getAnnotation(Min.class)).ifPresent(a -> {
-            schema.setMinimum(a.value());
-            if (!a.inclusive()) {
-              schema.setExclusiveMinimum(true);
-            }
-          });
-          Optional.ofNullable(at.getAnnotation(Max.class)).ifPresent(a -> {
-            schema.setMaximum(a.value());
-            if (!a.inclusive()) {
-              schema.setExclusiveMaximum(true);
-            }
-          });
+          if ("string".equals(schema.getType())) {
+            ofNullable(at.getAnnotation(Pattern.class))
+                .ifPresent(a -> schema.setPattern(a.value()));
+
+            ofNullable(at.getAnnotation(Size.class))
+                .map(Size::min)
+                .filter(v -> v > 0)
+                .ifPresent(schema::setMinLength);
+
+            ofNullable(at.getAnnotation(Size.class))
+                .map(Size::max)
+                .filter(v -> v < Long.MAX_VALUE)
+                .ifPresent(schema::setMaxLength);
+
+          } else if ("number".equals(schema.getType()) || "integer".equals(schema.getType())) {
+            ofNullable(at.getAnnotation(Min.class)).ifPresent(a -> {
+              schema.setMinimum(a.value());
+              if (!a.inclusive()) {
+                schema.setExclusiveMinimum(true);
+              }
+            });
+            ofNullable(at.getAnnotation(Max.class)).ifPresent(a -> {
+              schema.setMaximum(a.value());
+              if (!a.inclusive()) {
+                schema.setExclusiveMaximum(true);
+              }
+            });
+          }
         });
   }
 
diff --git a/crd-generator/test/src/test/java/io/fabric8/crd/generator/approvaltests/validation/ValidationSpec.java b/crd-generator/test/src/test/java/io/fabric8/crd/generator/approvaltests/validation/ValidationSpec.java
index 27b78e0a486..282abdaee43 100644
--- a/crd-generator/test/src/test/java/io/fabric8/crd/generator/approvaltests/validation/ValidationSpec.java
+++ b/crd-generator/test/src/test/java/io/fabric8/crd/generator/approvaltests/validation/ValidationSpec.java
@@ -229,6 +229,9 @@ static class ValidationOnString {
     private String maxLength1;
     @Size(min = 1, max = 3)
     private String minLength1maxLength3;
+
+    private List<@Size(min = 1, max = 3) String> listItemMinLength1MaxLength3;
+    private Map<String, @Size(min = 1, max = 3) String> mapItemMinLength1MaxLength3;
   }
 
   @Data
diff --git a/crd-generator/test/src/test/resources/io/fabric8/crd/generator/approvaltests/CRDGeneratorApprovalTest.approvalTest.validations.samples.fabric8.io.v1.approved.yml b/crd-generator/test/src/test/resources/io/fabric8/crd/generator/approvaltests/CRDGeneratorApprovalTest.approvalTest.validations.samples.fabric8.io.v1.approved.yml
index 7e904430986..1a3d663d296 100644
--- a/crd-generator/test/src/test/resources/io/fabric8/crd/generator/approvaltests/CRDGeneratorApprovalTest.approvalTest.validations.samples.fabric8.io.v1.approved.yml
+++ b/crd-generator/test/src/test/resources/io/fabric8/crd/generator/approvaltests/CRDGeneratorApprovalTest.approvalTest.validations.samples.fabric8.io.v1.approved.yml
@@ -384,16 +384,20 @@ spec:
                 properties:
                   maxItems1:
                     additionalProperties:
+                      maxLength: 1
                       type: "string"
                     maxProperties: 1
                     type: "object"
                   minItems1:
                     additionalProperties:
+                      minLength: 1
                       type: "string"
                     minProperties: 1
                     type: "object"
                   minItems1maxItems3:
                     additionalProperties:
+                      maxLength: 3
+                      minLength: 1
                       type: "string"
                     maxProperties: 3
                     minProperties: 1
@@ -401,11 +405,19 @@ spec:
                 type: "object"
               onString:
                 properties:
+                  listItemMinLength1MaxLength3:
+                    items:
+                      type: "string"
+                    type: "array"
                   listItemPattern:
                     items:
                       pattern: "(a|b)+"
                       type: "string"
                     type: "array"
+                  mapItemMinLength1MaxLength3:
+                    additionalProperties:
+                      type: "string"
+                    type: "object"
                   mapItemPattern:
                     additionalProperties:
                       pattern: "(a|b)+"