diff --git a/7.4/Dockerfile b/7.4/Dockerfile
index 2609f05..5ddf9ee 100644
--- a/7.4/Dockerfile
+++ b/7.4/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.0/Dockerfile b/8.0/Dockerfile
index 05b6dd5..13d8850 100644
--- a/8.0/Dockerfile
+++ b/8.0/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.1/Dockerfile b/8.1/Dockerfile
index bd8f55b..b4a8763 100644
--- a/8.1/Dockerfile
+++ b/8.1/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.2/Dockerfile b/8.2/Dockerfile
index 3cbf9bc..206e343 100644
--- a/8.2/Dockerfile
+++ b/8.2/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.3/Dockerfile b/8.3/Dockerfile
index 860e33b..0a2a4d7 100644
--- a/8.3/Dockerfile
+++ b/8.3/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.4/Dockerfile b/8.4/Dockerfile
index 8f20215..2b7ea69 100644
--- a/8.4/Dockerfile
+++ b/8.4/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.4/overlay/tmp/PHP_BUILD b/8.4/overlay/tmp/PHP_BUILD
index 0843217..4cfef99 100644
--- a/8.4/overlay/tmp/PHP_BUILD
+++ b/8.4/overlay/tmp/PHP_BUILD
@@ -1 +1 @@
-8.4.17-r0
\ No newline at end of file
+8.4.18-r0
\ No newline at end of file
diff --git a/8.4/overlay/tmp/PHP_REVISION b/8.4/overlay/tmp/PHP_REVISION
index d7b295f..0b95416 100644
--- a/8.4/overlay/tmp/PHP_REVISION
+++ b/8.4/overlay/tmp/PHP_REVISION
@@ -1 +1 @@
-8.4.17
\ No newline at end of file
+8.4.18
\ No newline at end of file
diff --git a/8.5/Dockerfile b/8.5/Dockerfile
index 3910246..cc8bf1f 100644
--- a/8.5/Dockerfile
+++ b/8.5/Dockerfile
@@ -8,7 +8,7 @@ WORKDIR /tmp
 RUN \
     # get the Nu scripts from the PHP image overlay
     echo "Cloning Alpine overlay." && \
-    apk add git && git clone --branch v3.1.5 https://github.com/bfren/docker-php.git && \
+    apk add git && git clone --branch v3.1.6 https://github.com/bfren/docker-php.git && \
     mkdir /overlay && \
     mv docker-php/overlay/etc /overlay/
 
diff --git a/8.5/overlay/tmp/PHP_BUILD b/8.5/overlay/tmp/PHP_BUILD
index 454c094..052c3ca 100644
--- a/8.5/overlay/tmp/PHP_BUILD
+++ b/8.5/overlay/tmp/PHP_BUILD
@@ -1 +1 @@
-8.5.2-r0
\ No newline at end of file
+8.5.3-r0
\ No newline at end of file
diff --git a/8.5/overlay/tmp/PHP_REVISION b/8.5/overlay/tmp/PHP_REVISION
index bd0b85a..6a29595 100644
--- a/8.5/overlay/tmp/PHP_REVISION
+++ b/8.5/overlay/tmp/PHP_REVISION
@@ -1 +1 @@
-8.5.2
\ No newline at end of file
+8.5.3
\ No newline at end of file
diff --git a/VERSION b/VERSION
index daf8e4c..dd9a10b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.1.5
\ No newline at end of file
+8.1.6
\ No newline at end of file
diff --git a/generate-dockerfiles.sh b/generate-dockerfiles.sh
index 88289f7..e330c02 100755
--- a/generate-dockerfiles.sh
+++ b/generate-dockerfiles.sh
@@ -5,7 +5,7 @@ set -euo pipefail
 docker pull bfren/alpine
 
 BASE_VERSION="7.1.4"
-PHP_BRANCH="v3.1.5"
+PHP_BRANCH="v3.1.6"
 PHP_VERSIONS="7.4 8.0 8.1 8.2 8.3 8.4 8.5"
 
 for V in ${PHP_VERSIONS} ; do
diff --git a/overlay/etc/bf/init.d/22-php-ini.nu b/overlay/etc/bf/init.d/22-php-ini.nu
index a52f7e2..daccdca 100644
--- a/overlay/etc/bf/init.d/22-php-ini.nu
+++ b/overlay/etc/bf/init.d/22-php-ini.nu
@@ -1,15 +1,15 @@
 use bf
+use bf-nginx-php
 use bf-php
 bf env load
 
 # Apply any overrides to php.ini
 export def main [] {
-    # load any override files and apply them
-    let ini_override = bf env PHP_INI_OVERRIDE_D
-    if ($ini_override | path exists) { $"($ini_override)/*.json" | into glob | ls --full-paths $in | get name | sort | each {|x|
-        let override_values = bf fs read $x | from json
-        bf-php ini $override_values
-    } }
+    # get ini override values
+    let override_values = bf-nginx-php ini get_override_values
+
+    # download specified php.ini file and apply any override values
+    bf-php ini $override_values
 
     # return nothing
     return
diff --git a/overlay/etc/nu/scripts/bf-nginx-php/ini.nu b/overlay/etc/nu/scripts/bf-nginx-php/ini.nu
new file mode 100644
index 0000000..7ec3663
--- /dev/null
+++ b/overlay/etc/nu/scripts/bf-nginx-php/ini.nu
@@ -0,0 +1,25 @@
+use bf
+
+# Get php.ini override values
+export def get_override_values []: nothing -> record {
+    # get variables
+    let ini_override = bf env PHP_INI_OVERRIDE_D
+
+    # if the override path does not exist return nothing
+    if not ($ini_override | path exists) {
+        return
+    }
+
+    # load override json files,
+    #   sorted alphabetically
+    #   read as json
+    #   reduce array so later values override earlier values
+    return $"($ini_override)/*.json"
+        | into glob
+        | ls --full-paths $in
+        | get name
+        | sort --natural
+        | each {|x| bf fs read $x | from json }
+        | reduce {|it, acc| $acc | merge $it }
+        | into record
+}
diff --git a/overlay/etc/nu/scripts/bf-nginx-php/mod.nu b/overlay/etc/nu/scripts/bf-nginx-php/mod.nu
index 1113be2..c317f45 100644
--- a/overlay/etc/nu/scripts/bf-nginx-php/mod.nu
+++ b/overlay/etc/nu/scripts/bf-nginx-php/mod.nu
@@ -1,3 +1,4 @@
 export module conf.nu
+export module ini.nu
 export module run.nu
 export module sessions.nu
diff --git a/overlay/etc/nu/scripts/bf-nginx-php/sessions.nu b/overlay/etc/nu/scripts/bf-nginx-php/sessions.nu
index 60b5c08..a2c608f 100644
--- a/overlay/etc/nu/scripts/bf-nginx-php/sessions.nu
+++ b/overlay/etc/nu/scripts/bf-nginx-php/sessions.nu
@@ -1,4 +1,5 @@
 use bf
+use ini.nu
 
 # Clean sessions as user www
 export def clean [] {
@@ -6,11 +7,8 @@ export def clean [] {
     bf env load
 
     # get session max lifetime (if set)
-    let ini_override = bf env PHP_INI_OVERRIDE
-    let max_lifetime =  match ($ini_override | path exists) {
-        true => ($ini_override | open | get --optional "session.gc_maxlifetime")
-        false => 86400
-    }
+    let ini_override = bf env PHP_INI_OVERRIDE_D
+    let max_lifetime = ini get_override_values | default 86400 session.gc_maxlifetime
 
     # hat-tip https://www.getpagespeed.com/server-setup/php/cleanup-php-sessions-like-a-pro
     let args = [