diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index 44ce517a..ff45920f 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: "1.15"
+          - elixir: "1.16.1"
             otp: "26"
             lint: true
 
@@ -123,7 +123,7 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: "1.15"
+          - elixir: "1.16.1"
             otp: "26"
             report_coverage: true
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 053f737b..2764cc18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
 - build: reduce the size of the Docker image by cleaning the APT cache (#3692- @JakobLichterfeld)
 - build(deps): bump dorny/paths-filter from 3.0.0 to 3.0.1 (#3712)
 - feat: Grafana 10.4.0 & Angular Deprecation (#3726 - @swiffer and @JakobLichterfeld)
+- build: pin elixir image full version to elixir:1.16.1-otp-26 (#3733 - @brianmay and @JakobLichterfeld)
 
 #### Dashboards
 
diff --git a/Dockerfile b/Dockerfile
index 2ed041d4..d6b39d72 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM elixir:1.16 AS builder
+FROM elixir:1.16.1-otp-26 AS builder
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]