diff --git a/shared/regex/qlpack.yml b/shared/regex/qlpack.yml
index bd61542e004..ef9519ead25 100644
--- a/shared/regex/qlpack.yml
+++ b/shared/regex/qlpack.yml
@@ -3,3 +3,4 @@ version: 0.0.13-dev
 groups: shared
 library: true
 dependencies:
+warnOnImplicitThis: true
diff --git a/shared/ssa/qlpack.yml b/shared/ssa/qlpack.yml
index 6c1e42e1950..4bb3d04e800 100644
--- a/shared/ssa/qlpack.yml
+++ b/shared/ssa/qlpack.yml
@@ -2,3 +2,4 @@ name: codeql/ssa
 version: 0.0.17-dev
 groups: shared
 library: true
+warnOnImplicitThis: true
diff --git a/shared/tutorial/qlpack.yml b/shared/tutorial/qlpack.yml
index 4ac2f206cba..37c2fca38b4 100644
--- a/shared/tutorial/qlpack.yml
+++ b/shared/tutorial/qlpack.yml
@@ -3,3 +3,4 @@ description: Library for the CodeQL detective tutorials, helping new users learn
 version: 0.0.10-dev
 groups: shared
 library: true
+warnOnImplicitThis: true
diff --git a/shared/typetracking/qlpack.yml b/shared/typetracking/qlpack.yml
index 239091ead67..499f5cc4d34 100644
--- a/shared/typetracking/qlpack.yml
+++ b/shared/typetracking/qlpack.yml
@@ -4,3 +4,4 @@ groups: shared
 library: true
 dependencies:
   codeql/util: ${workspace}
+warnOnImplicitThis: true
diff --git a/shared/typos/qlpack.yml b/shared/typos/qlpack.yml
index 7f7a802dd0b..6d0b76e1ce5 100644
--- a/shared/typos/qlpack.yml
+++ b/shared/typos/qlpack.yml
@@ -2,3 +2,4 @@ name: codeql/typos
 version: 0.0.17-dev
 groups: shared
 library: true
+warnOnImplicitThis: true
diff --git a/shared/util/qlpack.yml b/shared/util/qlpack.yml
index f3f03fded40..8ff9a0efdb6 100644
--- a/shared/util/qlpack.yml
+++ b/shared/util/qlpack.yml
@@ -3,3 +3,4 @@ version: 0.0.10-dev
 groups: shared
 library: true
 dependencies:
+warnOnImplicitThis: true
diff --git a/shared/yaml/qlpack.yml b/shared/yaml/qlpack.yml
index f08abe18bfc..75a796f2ba3 100644
--- a/shared/yaml/qlpack.yml
+++ b/shared/yaml/qlpack.yml
@@ -2,3 +2,4 @@ name: codeql/yaml
 version: 0.0.2-dev
 groups: shared
 library: true
+warnOnImplicitThis: true