diff --git a/tools/gtdbtk/gtdbtk_classify_wf.xml b/tools/gtdbtk/gtdbtk_classify_wf.xml
index 8a2bc158978..31d997cc6b9 100644
--- a/tools/gtdbtk/gtdbtk_classify_wf.xml
+++ b/tools/gtdbtk/gtdbtk_classify_wf.xml
@@ -39,7 +39,7 @@ $advanced.force
         <param name="input" type="data" format="fasta,fasta.gz" multiple="true" label="Fasta (Genome) files"/>
         <param name="gtdbtk_db" type="select" label="GTDB-Tk database" help="This version of GTDB-Tk required GTDB version R207_v2. Please contact your service administrator if this version is not available to select.">
             <options from_data_table="gtdbtk_database_versioned">
-                <filter type="regexp" column="3" value="^v2(07|14)$"/>
+                <filter type="regexp" column="3" value="^2(07|14)$"/>
                 <validator type="no_options" message="No locally cached GTDB-Tk database is available"/>
             </options>
         </param>
diff --git a/tools/gtdbtk/macros.xml b/tools/gtdbtk/macros.xml
index 55aa45f2e9e..dc490f0b61c 100644
--- a/tools/gtdbtk/macros.xml
+++ b/tools/gtdbtk/macros.xml
@@ -1,6 +1,6 @@
 <macros>
     <token name="@TOOL_VERSION@">2.3.2</token>
-    <token name="@VERSION_SUFFIX@">3</token>
+    <token name="@VERSION_SUFFIX@">4</token>
     <token name="@PROFILE@">22.05</token>
     <xml name="requirements">
         <requirements>