diff --git a/crypto/engine/eng_openssl.c b/crypto/engine/eng_openssl.c
index 4b9cc0a83..5e20555fc 100644
--- a/crypto/engine/eng_openssl.c
+++ b/crypto/engine/eng_openssl.c
@@ -70,6 +70,9 @@
 #include <openssl/pem.h>
 #include <openssl/evp.h>
 #include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
 
 /* This testing gunk is implemented (and explained) lower down. It also assumes
  * the application explicitly calls "ENGINE_load_openssl()" because this is no
diff --git a/engines/e_4758_cca.c b/engines/e_4758_cca.c
index 3c8e5f619..aa8d4604d 100644
--- a/engines/e_4758_cca.c
+++ b/engines/e_4758_cca.c
@@ -61,6 +61,7 @@
 #include <openssl/objects.h>
 #include <openssl/engine.h>
 #include <openssl/rand.h>
+#include <openssl/rsa.h>
 
 #ifndef OPENSSL_NO_HW
 #ifndef OPENSSL_NO_HW_4758_CCA
diff --git a/engines/e_aep.c b/engines/e_aep.c
index 5e66fb1f8..7641738c2 100644
--- a/engines/e_aep.c
+++ b/engines/e_aep.c
@@ -71,6 +71,7 @@ typedef int pid_t;
 #include <openssl/buffer.h>
 #include <openssl/rsa.h>
 #include <openssl/dsa.h>
+#include <openssl/dh.h>
 
 #ifndef OPENSSL_NO_HW
 #ifndef OPENSSL_NO_HW_AEP
diff --git a/engines/e_ncipher.c b/engines/e_ncipher.c
index 481c9b099..14adbc6f1 100644
--- a/engines/e_ncipher.c
+++ b/engines/e_ncipher.c
@@ -65,6 +65,8 @@
 #include <openssl/engine.h>
 #include <openssl/ui.h>
 #include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/dh.h>
 
 #ifndef OPENSSL_NO_HW
 #ifndef OPENSSL_NO_HW_NCIPHER
diff --git a/engines/e_sureware.c b/engines/e_sureware.c
index 654f41031..780ec20a4 100644
--- a/engines/e_sureware.c
+++ b/engines/e_sureware.c
@@ -57,6 +57,9 @@
 #include <openssl/dso.h>
 #include <openssl/engine.h>
 #include <openssl/rand.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
 
 #ifndef OPENSSL_NO_HW
 #ifndef OPENSSL_NO_HW_SUREWARE