diff --git a/README.md b/README.md
index a37f8410..c5bd098d 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ process electricity_mix {
 
 On the command line, setup the cli.
 ```bash
-git checkout lca-1.6.5
+git checkout lca-1.6.6
 ./gradlew :cli:installDist
 alias lcaac=$GIT_ROOT/cli/build/install/lcaac/bin/lcaac
 ```
diff --git a/gradle.properties b/gradle.properties
index 7af6cd39..91b9fbbc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,4 +2,4 @@ javaVersion=17
 gradleVersion=7.6
 org.gradle.jvmargs=-Xmx4096m
 lcaacGroup=ch.kleis.lcaac
-lcaacVersion=1.6.5
+lcaacVersion=1.6.6