diff --git a/changelog/@unreleased/pr-559.v2.yml b/changelog/@unreleased/pr-559.v2.yml
new file mode 100644
index 0000000..5860f23
--- /dev/null
+++ b/changelog/@unreleased/pr-559.v2.yml
@@ -0,0 +1,5 @@
+type: improvement
+improvement:
+  description: Mark methods using squareup javapoet as deprecated
+  links:
+  - https://github.com/palantir/goethe/pull/559
diff --git a/goethe/src/main/java/com/palantir/goethe/Goethe.java b/goethe/src/main/java/com/palantir/goethe/Goethe.java
index 25fbb30..5afa990 100644
--- a/goethe/src/main/java/com/palantir/goethe/Goethe.java
+++ b/goethe/src/main/java/com/palantir/goethe/Goethe.java
@@ -61,7 +61,9 @@ public static String formatAsString(com.palantir.javapoet.JavaFile file) {
      *
      * @param file Javapoet file to format
      * @return Formatted source code
+     * @deprecated Use {@link #formatAsString(com.palantir.javapoet.JavaFile)} instead.
      */
+    @Deprecated
     public static String formatAsString(com.squareup.javapoet.JavaFile file) {
         StringBuilder rawSource = new StringBuilder();
         try {
@@ -110,7 +112,9 @@ public static void formatAndEmit(com.palantir.javapoet.JavaFile file, Filer file
      *
      * @param file Javapoet file to format
      * @param filer Destination for the formatted file
+     * @deprecated Use {@link #formatAndEmit(com.palantir.javapoet.JavaFile, Filer)} instead.
      */
+    @Deprecated
     public static void formatAndEmit(com.squareup.javapoet.JavaFile file, Filer filer) {
         String formatted = formatAsString(file);
 
@@ -160,7 +164,9 @@ public static Path formatAndEmit(com.palantir.javapoet.JavaFile file, Path baseD
      * @param file Javapoet file to format
      * @param baseDir Source set root where the formatted file will be written
      * @return the new file location
+     * @deprecated Use {@link #formatAndEmit(com.palantir.javapoet.JavaFile, Path)} instead.
      */
+    @Deprecated
     public static Path formatAndEmit(com.squareup.javapoet.JavaFile file, Path baseDir) {
         String formatted = formatAsString(file);
         try {