diff --git a/extensions/csv/build.gradle b/extensions/csv/build.gradle
index fecbd315807..9ca1341913d 100644
--- a/extensions/csv/build.gradle
+++ b/extensions/csv/build.gradle
@@ -7,7 +7,8 @@ description 'CSV: Support to read and write engine tables from/to CSV'
 
 dependencies {
     api project(':engine-api')
-    api 'io.deephaven:deephaven-csv:0.1.0'
+    api 'io.deephaven:deephaven-csv:0.3.0-OR-WHATEVER'
+    api 'ch.randelshofer:fastdoubleparser:0.3.0'
 
     implementation project(':engine-table'),
             project(':engine-base')
diff --git a/extensions/csv/src/main/java/io/deephaven/csv/CsvTools.java b/extensions/csv/src/main/java/io/deephaven/csv/CsvTools.java
index f52e30ca59f..ac55307b633 100644
--- a/extensions/csv/src/main/java/io/deephaven/csv/CsvTools.java
+++ b/extensions/csv/src/main/java/io/deephaven/csv/CsvTools.java
@@ -4,6 +4,7 @@
 
 package io.deephaven.csv;
 
+import ch.randelshofer.fastdoubleparser.FastDoubleParserFromByteArray;
 import io.deephaven.api.util.NameValidator;
 import io.deephaven.base.Procedure;
 import io.deephaven.chunk.ByteChunk;
@@ -106,6 +107,7 @@ public static Builder builder() {
         return CsvSpecs.builder()
                 .headerLegalizer(ColumnNameLegalizer.INSTANCE)
                 .headerValidator(ColumnNameLegalizer.INSTANCE)
+                .customDoubleParser(FastDoubleParserFromByteArray::parseDouble)
                 .customTimeZoneParser(new DeephavenTimeZoneParser());
     }