diff --git a/dataframe-csv/build.gradle.kts b/dataframe-csv/build.gradle.kts
index 61f9252d16..0e27e1148b 100644
--- a/dataframe-csv/build.gradle.kts
+++ b/dataframe-csv/build.gradle.kts
@@ -31,9 +31,9 @@ dependencies {
     implementation(project(":core"))
 
     // for csv reading
-    implementation(libs.deephavenCsv)
+    api(libs.deephavenCsv)
     // for csv writing
-    implementation(libs.commonsCsv)
+    api(libs.commonsCsv)
     implementation(libs.commonsIo)
     implementation(libs.sl4j)
     implementation(libs.kotlinLogging)