diff --git a/INSTALL b/INSTALL
index 591b4214e5..18eb67f311 100644
--- a/INSTALL
+++ b/INSTALL
@@ -281,11 +281,11 @@ SSL library files using SSL_LIB. Example :
     USE_OPENSSL=1 SSL_INC=/opt/ssl-1.1.1/include SSL_LIB=/opt/ssl-1.1.1/lib
 
 To use HAProxy with WolfSSL, WolfSSL must be built with haproxy support, at
-least WolfSSL 5.6.4 is needed, but a development version might be needed for
+least WolfSSL 5.6.6 is needed, but a development version might be needed for
 some of the features:
 
   $ cd ~/build/wolfssl
-  $ ./configure --enable-haproxy --enable-quic --prefix=/opt/wolfssl-5.6.4/
+  $ ./configure --enable-haproxy --enable-quic --prefix=/opt/wolfssl-5.6.6/
   $ make -j $(nproc)
   $ make install
 
@@ -298,7 +298,7 @@ command line, for example:
 
   $ cd ~/build/haproxy
   $ make -j $(nproc) TARGET=generic USE_OPENSSL_WOLFSSL=1 USE_QUIC=1 \
-    SSL_INC=/opt/wolfssl-5.6.4/include SSL_LIB=/opt/wolfssl-5.6.4/lib
+    SSL_INC=/opt/wolfssl-5.6.6/include SSL_LIB=/opt/wolfssl-5.6.6/lib
 
 To use HAProxy with AWS-LC you must have version v1.13.0 or newer of AWS-LC
 built and installed locally.