diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index 0fbdfe513d..fa30cf57b0 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -739,7 +739,7 @@ all_final += $(keys_rsa_base)
 ### PKCS1-encoded, plaintext RSA keys in derived forms
 
 rsa_pkcs1_%.der: rsa_pkcs1_%.pem
-	$(OPENSSL) rsa -inform PEM -in $< -outform DER -out $@
+	$(OPENSSL) pkey -inform PEM -in $< -outform DER -out $@
 all_final += $(keys_rsa_base:.pem=.der)
 
 ###
diff --git a/tests/data_files/rsa_pkcs1_1024_clear.der b/tests/data_files/rsa_pkcs1_1024_clear.der
index 8dfb09fb84..cec2c30117 100644
Binary files a/tests/data_files/rsa_pkcs1_1024_clear.der and b/tests/data_files/rsa_pkcs1_1024_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_2048_clear.der b/tests/data_files/rsa_pkcs1_2048_clear.der
index 137395e2a3..667051bd80 100644
Binary files a/tests/data_files/rsa_pkcs1_2048_clear.der and b/tests/data_files/rsa_pkcs1_2048_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_4096_clear.der b/tests/data_files/rsa_pkcs1_4096_clear.der
index c65a2325b5..9dc971e991 100644
Binary files a/tests/data_files/rsa_pkcs1_4096_clear.der and b/tests/data_files/rsa_pkcs1_4096_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_768_clear.der b/tests/data_files/rsa_pkcs1_768_clear.der
index 7fbd8b221f..a80b891e49 100644
Binary files a/tests/data_files/rsa_pkcs1_768_clear.der and b/tests/data_files/rsa_pkcs1_768_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_769_clear.der b/tests/data_files/rsa_pkcs1_769_clear.der
index 3361d0bf2e..c4bfe6c0bb 100644
Binary files a/tests/data_files/rsa_pkcs1_769_clear.der and b/tests/data_files/rsa_pkcs1_769_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_770_clear.der b/tests/data_files/rsa_pkcs1_770_clear.der
index f9e6c8be95..89e140fdc1 100644
Binary files a/tests/data_files/rsa_pkcs1_770_clear.der and b/tests/data_files/rsa_pkcs1_770_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_776_clear.der b/tests/data_files/rsa_pkcs1_776_clear.der
index 85118811e7..a311c6772b 100644
Binary files a/tests/data_files/rsa_pkcs1_776_clear.der and b/tests/data_files/rsa_pkcs1_776_clear.der differ
diff --git a/tests/data_files/rsa_pkcs1_784_clear.der b/tests/data_files/rsa_pkcs1_784_clear.der
index 4fe5ebb123..94f3d3bcd9 100644
Binary files a/tests/data_files/rsa_pkcs1_784_clear.der and b/tests/data_files/rsa_pkcs1_784_clear.der differ