diff --git a/docs/naaccr-xml-items-250.csv b/docs/naaccr-xml-items-250.csv
index e11a2b7..0fb9222 100644
--- a/docs/naaccr-xml-items-250.csv
+++ b/docs/naaccr-xml-items-250.csv
@@ -495,7 +495,7 @@ pathReportingFacId4,7013,"Path Reporting Fac ID 4",,25,"A,M",Tumor,text
 pathReportingFacId5,7014,"Path Reporting Fac ID 5",,25,"A,M",Tumor,text
 patientIdNumber,20,"Patient ID Number",,8,"A,M,C,I",Patient,digits
 patientSystemIdHosp,21,"Patient System ID-Hosp",,8,"A,M,C,I",Tumor,digits
-pdl1,1174,"PD-L1",,1,"A,M,C,I",Tumor,numeric
+pdl1,1174,"PD-L1",,5,"A,M,C,I",Tumor,mixed
 pediatricId,1132,"Pediatric ID",,5,"A,M,C,I",Tumor,mixed
 pediatricIdVersionCurrent,1133,"Pediatric ID Version Current",,5,"A,M,C,I",Tumor,digits
 pediatricIdVersionOriginal,1134,"Pediatric ID Version Original",,5,"A,M,C,I",Tumor,digits
diff --git a/src/main/resources/changelog/changelog-naaccr-dictionary-250.txt b/src/main/resources/changelog/changelog-naaccr-dictionary-250.txt
index 6ac08c2..85d8641 100644
--- a/src/main/resources/changelog/changelog-naaccr-dictionary-250.txt
+++ b/src/main/resources/changelog/changelog-naaccr-dictionary-250.txt
@@ -1,3 +1,4 @@
 <!-- Changelog
+ - 05/28/2024: changed length and type of pdl1.
  - 05/20/2024: Initial version.
 -->
\ No newline at end of file
diff --git a/src/main/resources/naaccr-dictionary-250.xml b/src/main/resources/naaccr-dictionary-250.xml
index 3a66dda..17e98c7 100644
--- a/src/main/resources/naaccr-dictionary-250.xml
+++ b/src/main/resources/naaccr-dictionary-250.xml
@@ -5,13 +5,14 @@
      Visit https://www.naaccr.org/ for more information about the NAACCR XML Data Exchange Standard. -->
 
 <!-- Changelog
+ - 05/28/2024: changed length and type of pdl1.
  - 05/20/2024: Initial version.
 -->
 
 <NaaccrDictionary dictionaryUri="http://naaccr.org/naaccrxml/naaccr-dictionary-250.xml"
             naaccrVersion="250"
             specificationVersion="1.8"
-            dateLastModified="2024-05-20T12:00:00-04:00"
+            dateLastModified="2024-05-28T12:00:00-04:00"
             description="NAACCR 25 base dictionary"
             xmlns="http://naaccr.org/naaccrxml">
     <ItemDefs>
@@ -3377,10 +3378,10 @@
         <ItemDef naaccrId="pdl1"
             naaccrNum="1174"
             naaccrName="PD-L1"
-            length="1"
+            length="5"
             recordTypes="A,M,C,I"
             parentXmlElement="Tumor"
-            dataType="numeric"/>
+            dataType="mixed"/>
         <ItemDef naaccrId="pediatricId"
             naaccrNum="1132"
             naaccrName="Pediatric ID"