diff --git a/changelog/updates/2025-08-18-ca-certificates-3.115-update.md b/changelog/updates/2025-08-18-ca-certificates-3.115-update.md
new file mode 100644
index 0000000000..916d3212f9
--- /dev/null
+++ b/changelog/updates/2025-08-18-ca-certificates-3.115-update.md
@@ -0,0 +1 @@
+- ca-certificates ([3.115](https://firefox-source-docs.mozilla.org/security/nss/releases/nss_3_115.html))
diff --git a/sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/Manifest b/sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/Manifest
index f3eb2abce3..ac56ee4848 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/Manifest
@@ -1 +1 @@
-DIST nss-3.114.tar.gz 76653541 BLAKE2B 3ba37f3df407d2dd077b9ec0270be9becebd3137705e2dd58553dcbd79327f382ed4c9d17349f0792e554e41a8e843eb74a4681495bf00c6a69dae46b26babeb SHA512 9c9af5c117dea2d89bb093f9a73d9a431ce4eebcfea9295aa37a27a7afb242d353e6904fee7ae69cdb64949bd0ddb685880098553c7d5ac1aac39ea388a2a2d3
+DIST nss-3.115.tar.gz 76656357 BLAKE2B 270dd8caa89dd050a4afe3ffda3a387a70c13a4b71f9477d55f45c77385e1e4ebd5a33c4febb66a709360d8c246cf5ee911bf2f33d04f45bade872b3586a1d93 SHA512 7f2365e947230c61aa6206c8274ac9eced2634701b3f1e83c7816252d0430ec411a7191b18bfacc96a2c01322a423de368e920a96434dc343578c60b8a0cb147
diff --git a/sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/ca-certificates-3.114.ebuild b/sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/ca-certificates-3.115.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/ca-certificates-3.114.ebuild
rename to sdk_container/src/third_party/coreos-overlay/app-misc/ca-certificates/ca-certificates-3.115.ebuild