diff --git a/aztec/src/main/kotlin/org/wordpress/aztec/source/Format.kt b/aztec/src/main/kotlin/org/wordpress/aztec/source/Format.kt
index 3ce74a33f..057d9688e 100644
--- a/aztec/src/main/kotlin/org/wordpress/aztec/source/Format.kt
+++ b/aztec/src/main/kotlin/org/wordpress/aztec/source/Format.kt
@@ -5,6 +5,7 @@ import android.text.SpannableStringBuilder
 import android.text.TextUtils
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
 import org.wordpress.aztec.spans.AztecQuoteSpan
 import org.wordpress.aztec.spans.AztecVisualLinebreak
 import org.wordpress.aztec.spans.EndOfParagraphMarker
@@ -30,9 +31,9 @@ object Format {
         CleaningUtils.cleanNestedBoldTags(doc)
         if (isCalypsoFormat) {
             // remove empty span tags
-            doc.select("*")
-                    .filter { !it.hasText() && it.tagName() == "span" && it.childNodes().size == 0 }
-                    .forEach { it.remove() }
+            doc.select("*").filter { element: Element ->
+                !element.hasText() && element.tagName() == "span" && element.childNodes().size == 0
+            }.forEach { it.remove() }
 
             html = replaceAll(doc.body().html(), iframePlaceholder, "iframe")
 
diff --git a/aztec/src/main/kotlin/org/wordpress/aztec/util/CleaningUtils.kt b/aztec/src/main/kotlin/org/wordpress/aztec/util/CleaningUtils.kt
index 9ae74ebe9..ff37acfb8 100644
--- a/aztec/src/main/kotlin/org/wordpress/aztec/util/CleaningUtils.kt
+++ b/aztec/src/main/kotlin/org/wordpress/aztec/util/CleaningUtils.kt
@@ -2,6 +2,7 @@ package org.wordpress.aztec.util
 
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
 import org.jsoup.parser.Parser
 
 object CleaningUtils {
@@ -10,12 +11,12 @@ object CleaningUtils {
     fun cleanNestedBoldTags(doc: Document) {
         // clean all nested <b> tags that don't contain anything
         doc.select("b > b")
-        .filter { !it.hasText() }
+        .filter { element: Element -> !element.hasText() }
         .forEach { it.remove() }
 
         // unwrap text in between nested <b> tags that have some text in them
         doc.select("b > b")
-        .filter { it.hasText() }
+        .filter { element: Element -> element.hasText() }
         .forEach { it.unwrap() }
     }
 
@@ -25,4 +26,4 @@ object CleaningUtils {
         cleanNestedBoldTags(doc)
         return doc.html()
     }
-}
\ No newline at end of file
+}
diff --git a/build.gradle b/build.gradle
index 4f3f2ac08..1b93073cb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -79,7 +79,7 @@ ext {
     picassoVersion = '2.5.2'
     robolectricVersion = '4.11'
     jUnitVersion = '4.12'
-    jSoupVersion = '1.11.3'
+    jSoupVersion = '1.15.3'
     wordpressUtilsVersion = '3.5.0'
     espressoVersion = '3.0.1'