diff --git a/Makefile b/Makefile
index ccc040b42..eef51e54b 100644
--- a/Makefile
+++ b/Makefile
@@ -236,6 +236,7 @@ release:
 	(cd $(RELEASE_DIR)/util  && swig -python -I. -I../include/astrometry util.i)
 	(cd $(RELEASE_DIR)/plot && swig -python -I. -I../util -I../include/astrometry plotstuff.i)
 	(cd $(RELEASE_DIR)/sdss  && swig -python -I. cutils.i)
+	(cd $(RELEASE_DIR)/solver && swig -python -I. -I../include/astrometry solver.i)
 	cat $(RELEASE_DIR)/util/makefile.common | sed "s/AN_GIT_REVISION .=.*/AN_GIT_REVISION := $$(git describe)/" | sed "s/AN_GIT_DATE .=.*/AN_GIT_DATE := $$(git log -n 1 --format=%cd | sed 's/ /_/g')/" > $(RELEASE_DIR)/util/makefile.common.x && mv $(RELEASE_DIR)/util/makefile.common.x $(RELEASE_DIR)/util/makefile.common
 	cat $(RELEASE_DIR)/Makefile | sed "s/RELEASE_VER .=.*/RELEASE_VER := $(RELEASE_VER)/" > $(RELEASE_DIR)/Makefile.x && mv $(RELEASE_DIR)/Makefile.x $(RELEASE_DIR)/Makefile
 	tar cf $(RELEASE_DIR).tar $(RELEASE_DIR)