diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Columns/XLColumn.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Columns/XLColumn.cs
index e75111a..c713895 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Columns/XLColumn.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Columns/XLColumn.cs
@@ -448,6 +448,10 @@
 
             Width = colMaxWidth;
 
+            foreach (IDisposable font in fontCache.Values)
+            {
+                font.Dispose();
+            }
             return this;
         }
 
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Rows/XLRow.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Rows/XLRow.cs
index f9772e6..c431481 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Rows/XLRow.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Rows/XLRow.cs
@@ -345,6 +345,11 @@
                 rowMaxHeight = Worksheet.RowHeight;
 
             Height = rowMaxHeight;
+
+            foreach (IDisposable font in fontCache.Values)
+            {
+                font.Dispose();
+            }
             return this;
         }