diff --git a/.gitignore b/.gitignore
index 2ca520b..80124af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 /data/*.db
+/data/igs/*.tgz
 /data/redis/**/*.rdb
 /data/redis/**/*.aof
 /data/redis/**/*.manifest
diff --git a/Gemfile.lock b/Gemfile.lock
index 7dd997f..2d8ccdc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    ipa_test_kit (0.5.0)
+    ipa_test_kit (0.5.1)
       inferno_core (>= 0.6.2)
       smart_app_launch_test_kit (~> 0.5.0)
       tls_test_kit (~> 0.3.0)
@@ -134,10 +134,11 @@ GEM
     http-accept (1.7.0)
     http-cookie (1.0.8)
       domain_name (~> 0.5)
-    httpclient (2.8.3)
+    httpclient (2.9.0)
+      mutex_m
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    inferno_core (0.6.2)
+    inferno_core (0.6.5)
       activesupport (~> 6.1.7.5)
       base62-rb (= 0.3.1)
       blueprinter (= 0.25.2)
@@ -178,12 +179,12 @@ GEM
       base64
     kramdown (2.5.1)
       rexml (>= 3.3.9)
-    logger (1.6.5)
+    logger (1.6.6)
     method_source (1.1.0)
     mime-types (3.6.0)
       logger
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2025.0204)
+    mime-types-data (3.2025.0304)
     minitest (5.25.4)
     multi_json (1.15.0)
     multi_xml (0.7.1)
@@ -194,13 +195,14 @@ GEM
     mustermann-contrib (1.1.2)
       hansi (~> 0.2.0)
       mustermann (= 1.1.2)
+    mutex_m (0.3.0)
     netrc (0.11.0)
     nio4r (2.7.4)
-    nokogiri (1.18.2-arm64-darwin)
+    nokogiri (1.18.3-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.2-x86_64-darwin)
+    nokogiri (1.18.3-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.2-x86_64-linux-gnu)
+    nokogiri (1.18.3-x86_64-linux-gnu)
       racc (~> 1.4)
     oauth2 (1.4.11)
       faraday (>= 0.17.3, < 3.0)
@@ -229,7 +231,7 @@ GEM
     rake (13.2.1)
     rdoc (6.7.0)
       psych (>= 4.0.0)
-    redis-client (0.23.2)
+    redis-client (0.24.0)
       connection_pool
     reline (0.5.9)
       io-console (~> 0.5)
@@ -260,7 +262,7 @@ GEM
       connection_pool (>= 2.3.0)
       rack (>= 2.2.4)
       redis-client (>= 0.19.0)
-    smart_app_launch_test_kit (0.5.0)
+    smart_app_launch_test_kit (0.5.1)
       inferno_core (>= 0.6.2)
       json-jwt (~> 1.15.3)
       jwt (~> 2.6)
diff --git a/data/igs/.keep b/data/igs/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/docker-compose.background.yml b/docker-compose.background.yml
index b466c82..6e6ffc6 100644
--- a/docker-compose.background.yml
+++ b/docker-compose.background.yml
@@ -7,7 +7,7 @@ services:
       # Negative values mean sessions never expire, 0 means sessions immediately expire
       SESSION_CACHE_DURATION: -1
     volumes:
-      - ./lib/ipa_test_kit/igs:/app/igs
+      - ./data/igs:/app/igs
       # To let the service share your local FHIR package cache,
       # uncomment the below line
       # - ~/.fhir:/home/ktor/.fhir
diff --git a/lib/ipa_test_kit/igs/README.md b/lib/ipa_test_kit/igs/README.md
index 644c908..0f2211f 100644
--- a/lib/ipa_test_kit/igs/README.md
+++ b/lib/ipa_test_kit/igs/README.md
@@ -18,4 +18,4 @@ If your IG, or the specific version of the IG you want to test against, is not p
 ```
 
 ## 3. Inferno Validator UI
-The Inferno Validator UI is configured to auto-load any IGs present in the igs folder and include them in all validations. The Inferno Validator UI is currently disabled by default, so this is only relevant if you choose to re-enable it. In general, the Inferno team is currently leaving IGs in this folder even if not otherwise necessary to make it easy to re-enable the validator UI.
\ No newline at end of file
+The Inferno Validator UI is configured to auto-load any IGs present in the igs folder and include them in all validations. The Inferno Validator UI is currently disabled by default, so this is only relevant if you choose to re-enable it. In general, the Inferno team is currently leaving IGs in this folder even if not otherwise necessary to make it easy to re-enable the validator UI.
diff --git a/lib/ipa_test_kit/version.rb b/lib/ipa_test_kit/version.rb
index e373f50..ae23589 100644
--- a/lib/ipa_test_kit/version.rb
+++ b/lib/ipa_test_kit/version.rb
@@ -1,4 +1,4 @@
 module IpaTestKit
-  VERSION = '0.5.0'.freeze
-  LAST_UPDATED = '2025-02-10'.freeze
+  VERSION = '0.5.1'.freeze
+  LAST_UPDATED = '2025-03-10'.freeze
 end