diff --git a/racket/src/configure b/racket/src/configure
index f3df693cea..ec94f9ad9a 100755
--- a/racket/src/configure
+++ b/racket/src/configure
@@ -4098,6 +4098,11 @@ case "$host_os" in
     enable_pthread=yes
     try_kqueue_syscall=yes
     ;;
+  dragonfly*)
+    LIBS="$LIBS -Wl,--export-dynamic"
+    enable_pthread=yes
+    try_kqueue_syscall=yes
+    ;;
   netbsd*)
     LIBS="$LIBS -rdynamic"
     try_kqueue_syscall=yes
diff --git a/racket/src/racket/configure.ac b/racket/src/racket/configure.ac
index f60be97b81..379fa7dcbd 100644
--- a/racket/src/racket/configure.ac
+++ b/racket/src/racket/configure.ac
@@ -593,6 +593,11 @@ case "$host_os" in
     enable_pthread=yes
     try_kqueue_syscall=yes
     ;;
+  dragonfly*)
+    LIBS="$LIBS -Wl,--export-dynamic"
+    enable_pthread=yes
+    try_kqueue_syscall=yes
+    ;;
   netbsd*)
     LIBS="$LIBS -rdynamic"
     try_kqueue_syscall=yes