diff --git a/apa-annotated-bibliography.csl b/apa-annotated-bibliography.csl
index 2ea93096231..7b6e3e7129b 100644
--- a/apa-annotated-bibliography.csl
+++ b/apa-annotated-bibliography.csl
@@ -14,7 +14,7 @@
     <category citation-format="author-date"/>
     <category field="psychology"/>
     <category field="generic-base"/>
-    <updated>2019-12-04T13:09:49+00:00</updated>
+    <updated>2021-06-10T13:09:49+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="en">
@@ -1860,7 +1860,7 @@
       <text variable="locator"/>
     </group>
   </macro>
-  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name-with-initials">
     <sort>
       <key macro="author-bib" names-min="3" names-use-first="1"/>
       <key macro="date-sort-group"/>
diff --git a/apa-no-ampersand.csl b/apa-no-ampersand.csl
index 70d3b885695..879e752292f 100644
--- a/apa-no-ampersand.csl
+++ b/apa-no-ampersand.csl
@@ -14,7 +14,7 @@
     <category citation-format="author-date"/>
     <category field="psychology"/>
     <category field="generic-base"/>
-    <updated>2019-12-04T13:09:49+00:00</updated>
+    <updated>2021-06-10T13:09:49+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="en">
@@ -1860,7 +1860,7 @@
       <text variable="locator"/>
     </group>
   </macro>
-  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name-with-initials">
     <sort>
       <key macro="author-bib" names-min="3" names-use-first="1"/>
       <key macro="date-sort-group"/>
diff --git a/apa-single-spaced.csl b/apa-single-spaced.csl
index 6f8d6b58238..ee287e4a80a 100644
--- a/apa-single-spaced.csl
+++ b/apa-single-spaced.csl
@@ -14,7 +14,7 @@
     <category citation-format="author-date"/>
     <category field="psychology"/>
     <category field="generic-base"/>
-    <updated>2019-12-04T13:09:49+00:00</updated>
+    <updated>2021-06-10T13:09:49+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="en">
@@ -1860,7 +1860,7 @@
       <text variable="locator"/>
     </group>
   </macro>
-  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name-with-initials">
     <sort>
       <key macro="author-bib" names-min="3" names-use-first="1"/>
       <key macro="date-sort-group"/>
diff --git a/apa-with-abstract.csl b/apa-with-abstract.csl
index de72d5c31ca..b34b035c9b2 100644
--- a/apa-with-abstract.csl
+++ b/apa-with-abstract.csl
@@ -14,7 +14,7 @@
     <category citation-format="author-date"/>
     <category field="psychology"/>
     <category field="generic-base"/>
-    <updated>2019-12-04T13:09:49+00:00</updated>
+    <updated>2021-06-10T13:09:49+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="en">
@@ -1860,7 +1860,7 @@
       <text variable="locator"/>
     </group>
   </macro>
-  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name-with-initials">
     <sort>
       <key macro="author-bib" names-min="3" names-use-first="1"/>
       <key macro="date-sort-group"/>
diff --git a/apa.csl b/apa.csl
index 3389918a90a..915d4e07f4a 100644
--- a/apa.csl
+++ b/apa.csl
@@ -14,7 +14,7 @@
     <category citation-format="author-date"/>
     <category field="psychology"/>
     <category field="generic-base"/>
-    <updated>2019-12-04T13:09:49+00:00</updated>
+    <updated>2021-06-10T13:09:49+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="en">
@@ -1860,7 +1860,7 @@
       <text variable="locator"/>
     </group>
   </macro>
-  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+  <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name-with-initials">
     <sort>
       <key macro="author-bib" names-min="3" names-use-first="1"/>
       <key macro="date-sort-group"/>