diff --git a/cyclonedx/schema/bom-1.2.xsd b/cyclonedx/schema/bom-1.2.xsd
index 795b0f82..2eb7e486 100644
--- a/cyclonedx/schema/bom-1.2.xsd
+++ b/cyclonedx/schema/bom-1.2.xsd
@@ -22,7 +22,7 @@ limitations under the License.
            targetNamespace="http://cyclonedx.org/schema/bom/1.2"
            vc:minVersion="1.0"
            vc:maxVersion="1.1"
-           version="1.2">
+           version="1.2.1">
 
     <xs:import namespace="http://cyclonedx.org/schema/spdx" schemaLocation="spdx.xsd"/>
 
@@ -593,7 +593,7 @@ limitations under the License.
 
     <xs:simpleType name="mimeType">
         <xs:restriction base="xs:token">
-            <xs:pattern value="^[-+a-z0-9.]+/[-+a-z0-9.]+$"/>
+            <xs:pattern value="[-+a-z0-9.]+/[-+a-z0-9.]+"/>
         </xs:restriction>
     </xs:simpleType>
 
@@ -1415,4 +1415,4 @@ limitations under the License.
             <xs:field xpath="@bom-ref"/>
         </xs:unique>
     </xs:element>
-</xs:schema>
+</xs:schema>
\ No newline at end of file
diff --git a/cyclonedx/schema/bom-1.3.xsd b/cyclonedx/schema/bom-1.3.xsd
index 968d03e3..904d6369 100644
--- a/cyclonedx/schema/bom-1.3.xsd
+++ b/cyclonedx/schema/bom-1.3.xsd
@@ -22,7 +22,7 @@ limitations under the License.
            targetNamespace="http://cyclonedx.org/schema/bom/1.3"
            vc:minVersion="1.0"
            vc:maxVersion="1.1"
-           version="1.3">
+           version="1.3.1">
 
     <xs:import namespace="http://cyclonedx.org/schema/spdx" schemaLocation="spdx.xsd"/>
 
@@ -598,7 +598,7 @@ limitations under the License.
 
     <xs:simpleType name="mimeType">
         <xs:restriction base="xs:token">
-            <xs:pattern value="^[-+a-z0-9.]+/[-+a-z0-9.]+$"/>
+            <xs:pattern value="[-+a-z0-9.]+/[-+a-z0-9.]+"/>
         </xs:restriction>
     </xs:simpleType>
 
@@ -1628,4 +1628,4 @@ limitations under the License.
             <xs:field xpath="@bom-ref"/>
         </xs:unique>
     </xs:element>
-</xs:schema>
+</xs:schema>
\ No newline at end of file
diff --git a/cyclonedx/schema/bom-1.4.xsd b/cyclonedx/schema/bom-1.4.xsd
index d446869d..592ceb1e 100644
--- a/cyclonedx/schema/bom-1.4.xsd
+++ b/cyclonedx/schema/bom-1.4.xsd
@@ -22,7 +22,7 @@ limitations under the License.
            targetNamespace="http://cyclonedx.org/schema/bom/1.4"
            vc:minVersion="1.0"
            vc:maxVersion="1.1"
-           version="1.4">
+           version="1.4.1">
 
     <xs:import namespace="http://cyclonedx.org/schema/spdx" schemaLocation="spdx.xsd"/>
 
@@ -620,7 +620,7 @@ limitations under the License.
 
     <xs:simpleType name="mimeType">
         <xs:restriction base="xs:token">
-            <xs:pattern value="^[-+a-z0-9.]+/[-+a-z0-9.]+$"/>
+            <xs:pattern value="[-+a-z0-9.]+/[-+a-z0-9.]+"/>
         </xs:restriction>
     </xs:simpleType>