diff --git a/docs/source/install.md b/docs/source/install.md
index 8801c9f23d8..c78f84714fa 100644
--- a/docs/source/install.md
+++ b/docs/source/install.md
@@ -44,7 +44,7 @@ Run the script with the `-h` option to see the options:
 Usage: ./install-fabric.sh [-f|--fabric-version <arg>] [-c|--ca-version <arg>] <comp-1> [<comp-2>] ... [<comp-n>] ...
         <comp>: Component to install one or more of  d[ocker]|b[inary]|s[amples]. If none specified, all will be installed
         -f, --fabric-version: FabricVersion (default: '2.4.4')
-        -c, --ca-version: Fabric CA Version (default: '1.5.4')
+        -c, --ca-version: Fabric CA Version (default: '1.5.5')
 ```
 
 ## Choosing which components
diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 9b98e2dd483..04bc8026d8b 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -8,7 +8,7 @@
 # if version not passed in, default to latest released version
 VERSION=2.4.4
 # if ca version not passed in, default to latest released version
-CA_VERSION=1.5.4
+CA_VERSION=1.5.5
 ARCH=$(echo "$(uname -s|tr '[:upper:]' '[:lower:]'|sed 's/mingw64_nt.*/windows/')-$(uname -m |sed 's/x86_64/amd64/g')" |sed 's/darwin-arm64/darwin-amd64/g')
 MARCH=$(uname -m)
 
@@ -21,8 +21,8 @@ printHelp() {
     echo "-s : bypass fabric-samples repo clone"
     echo "-b : bypass download of platform-specific binaries"
     echo
-    echo "e.g. bootstrap.sh 2.4.4 1.5.4 -s"
-    echo "will download docker images and binaries for Fabric v2.4.4 and Fabric CA v1.5.4"
+    echo "e.g. bootstrap.sh 2.4.4 1.5.5 -s"
+    echo "will download docker images and binaries for Fabric v2.4.4 and Fabric CA v1.5.5"
 }
 
 # dockerPull() pulls docker images from fabric and chaincode repositories
diff --git a/scripts/install-fabric.sh b/scripts/install-fabric.sh
index 6f33a8ff8ef..65f4f3b9a10 100755
--- a/scripts/install-fabric.sh
+++ b/scripts/install-fabric.sh
@@ -22,7 +22,7 @@ _arg_comp=('' )
 # if version not passed in, default to latest released version
 # if ca version not passed in, default to latest released version
 _arg_fabric_version="2.4.4"
-_arg_ca_version="1.5.4"
+_arg_ca_version="1.5.5"
 
 ARCH=$(echo "$(uname -s|tr '[:upper:]' '[:lower:]'|sed 's/mingw64_nt.*/windows/')-$(uname -m |sed 's/x86_64/amd64/g')" |sed 's/darwin-arm64/darwin-amd64/g')
 MARCH=$(uname -m)
@@ -50,7 +50,7 @@ print_help()
 	printf 'Usage: %s [-f|--fabric-version <arg>] [-c|--ca-version <arg>] <comp-1> [<comp-2>] ... [<comp-n>] ...\n' "$0"
 	printf '\t%s\n' "<comp> Component to install, one or more of  docker | binary | samples | podman  First letter of component also accepted; If none specified docker | binary | samples is assumed"
 	printf '\t%s\n' "-f, --fabric-version: FabricVersion (default: '2.4.4')"
-	printf '\t%s\n' "-c, --ca-version: Fabric CA Version (default: '1.5.4')"
+	printf '\t%s\n' "-c, --ca-version: Fabric CA Version (default: '1.5.5')"
 }