diff --git a/.github/workflows/dailly-generate-updates.yml b/.github/workflows/dailly-generate-updates.yml
index 2bc67993fe..714e354e01 100644
--- a/.github/workflows/dailly-generate-updates.yml
+++ b/.github/workflows/dailly-generate-updates.yml
@@ -20,8 +20,8 @@ jobs:
       - name: Install Elixir
         uses: erlef/setup-beam@v1
         with:
-          otp-version: "23.3.4.19"
-          elixir-version: "1.12.3-otp-23"
+          otp-version: "26.2.3"
+          elixir-version: "1.14.5-otp-26"
           version-type: strict
       - name: Install tools
         run: "gem install --no-document toys"
diff --git a/.github/workflows/generate-updates.yml b/.github/workflows/generate-updates.yml
index 9cfac90868..dd4dd59b25 100644
--- a/.github/workflows/generate-updates.yml
+++ b/.github/workflows/generate-updates.yml
@@ -23,8 +23,8 @@ jobs:
       - name: Install Elixir
         uses: erlef/setup-beam@v1
         with:
-          otp-version: "23.3.4.19"
-          elixir-version: "1.12.3-otp-23"
+          otp-version: "26.2.3"
+          elixir-version: "1.14.5-otp-26"
           version-type: strict
       - name: Install tools
         run: "gem install --no-document toys"
diff --git a/.github/workflows/presubmit.yml b/.github/workflows/presubmit.yml
index bd06e77d65..b9773ded36 100644
--- a/.github/workflows/presubmit.yml
+++ b/.github/workflows/presubmit.yml
@@ -10,12 +10,14 @@ jobs:
     strategy:
       matrix:
         include:
-          - elixir: "1.10.4-otp-22"
-            otp: "22.3.4.26"
-          - elixir: "1.12.3-otp-23"
+          - elixir: "1.10.4-otp-23"
             otp: "23.3.4.19"
-          - elixir: "1.13.4-otp-24"
-            otp: "24.1.7"
+          - elixir: "1.12.3-otp-24"
+            otp: "24.3.4.16"
+          - elixir: "1.13.4-otp-25"
+            otp: "25.3.2.10"
+          - elixir: "1.14.5-otp-26"
+            otp: "26.2.3"
       fail-fast: false
     runs-on: ubuntu-20.04
     steps:
diff --git a/.github/workflows/update-api-list.yml b/.github/workflows/update-api-list.yml
index 806592b134..1ed96559a6 100644
--- a/.github/workflows/update-api-list.yml
+++ b/.github/workflows/update-api-list.yml
@@ -21,8 +21,8 @@ jobs:
       - name: Install Elixir
         uses: erlef/setup-beam@v1
         with:
-          otp-version: "23.3.4.19"
-          elixir-version: "1.12.3-otp-23"
+          otp-version: "26.2.3"
+          elixir-version: "1.14.5-otp-26"
           version-type: strict
       - name: Install tools
         run: |
diff --git a/.kokoro/release.cfg b/.kokoro/release.cfg
index 4b7a93d365..e70d4fcc51 100644
--- a/.kokoro/release.cfg
+++ b/.kokoro/release.cfg
@@ -20,7 +20,7 @@ build_file: "elixir-google-api/.kokoro/trampoline.sh"
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
   key: "TRAMPOLINE_IMAGE"
-  value: "gcr.io/cloud-devrel-public-resources/elixir19"
+  value: "gcr.io/cloud-devrel-public-resources/elixir114"
 }
 
 # Tell the trampoline which build file to use.
diff --git a/mix.exs b/mix.exs
index 3a8ddc6232..c9c83e5433 100644
--- a/mix.exs
+++ b/mix.exs
@@ -45,7 +45,7 @@ defmodule GoogleApis.Mixfile do
   defp deps do
     [
       {:google_api_discovery, "~> 0.12.0"},
-      {:tesla, "~> 1.0"},
+      {:tesla, "~> 1.8"},
       {:oauth2, "~> 0.9"},
       {:temp, "~> 0.4"},
       {:jason, "~> 1.1"},
diff --git a/mix.lock b/mix.lock
index 134296275a..fb925aa8bf 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,18 +1,18 @@
 %{
-  "certifi": {:hex, :certifi, "2.8.0", "d4fb0a6bb20b7c9c3643e22507e42f356ac090a1dcea9ab99e27e0376d695eba", [:rebar3], [], "hexpm", "6ac7efc1c6f8600b08d625292d4bbf584e14847ce1b6b5c44d983d273e1097ea"},
+  "certifi": {:hex, :certifi, "2.12.0", "2d1cca2ec95f59643862af91f001478c9863c2ac9cb6e2f89780bfd8de987329", [:rebar3], [], "hexpm", "ee68d85df22e554040cdb4be100f33873ac6051387baf6a8f6ce82272340ff1c"},
   "google_api_discovery": {:hex, :google_api_discovery, "0.12.0", "0c83b9515f27296b3d76a55d459232bb15939972e02178960ad7e7b39018de9d", [:mix], [{:google_gax, "~> 0.4", [hex: :google_gax, repo: "hexpm", optional: false]}], "hexpm", "3d1e016dcaf5a1acd9fbb4a1554f9839cc1f9a357f32163af190d4e735bb5e57"},
-  "google_gax": {:hex, :google_gax, "0.4.0", "83651f8561c02a295826cb96b4bddde030e2369747bbddc592c4569526bafe94", [:mix], [{:poison, ">= 3.0.0 and < 5.0.0", [hex: :poison, repo: "hexpm", optional: false]}, {:tesla, "~> 1.2", [hex: :tesla, repo: "hexpm", optional: false]}], "hexpm", "a95d36f1dd753ab31268dd8bb6de9911243c911cfda9080f64778f6297b9ac57"},
-  "hackney": {:hex, :hackney, "1.18.0", "c4443d960bb9fba6d01161d01cd81173089686717d9490e5d3606644c48d121f", [:rebar3], [{:certifi, "~>2.8.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~>6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~>1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.3.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~>1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "9afcda620704d720db8c6a3123e9848d09c87586dc1c10479c42627b905b5c5e"},
+  "google_gax": {:hex, :google_gax, "0.4.1", "310105070626013712c56f8007b6ff7b4ead02ecad1efe7888350c6eaba52783", [:mix], [{:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:poison, ">= 3.0.0 and < 5.0.0", [hex: :poison, repo: "hexpm", optional: false]}, {:tesla, "~> 1.2", [hex: :tesla, repo: "hexpm", optional: false]}], "hexpm", "aef7dce7e04840c0e611f962475e3223d27d50ebd5e7d8e9e963c5e9e3b1ca79"},
+  "hackney": {:hex, :hackney, "1.20.1", "8d97aec62ddddd757d128bfd1df6c5861093419f8f7a4223823537bad5d064e2", [:rebar3], [{:certifi, "~>2.12.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~>6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~>1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.4.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~>1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "fe9094e5f1a2a2c0a7d10918fee36bfec0ec2a979994cff8cfe8058cd9af38e3"},
   "idna": {:hex, :idna, "6.1.1", "8a63070e9f7d0c62eb9d9fcb360a7de382448200fbbd1b106cc96d3d8099df8d", [:rebar3], [{:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "92376eb7894412ed19ac475e4a86f7b413c1b9fbb5bd16dccd57934157944cea"},
-  "jason": {:hex, :jason, "1.2.2", "ba43e3f2709fd1aa1dce90aaabfd039d000469c05c56f0b8e31978e03fa39052", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "18a228f5f0058ee183f29f9eae0805c6e59d61c3b006760668d8d18ff0d12179"},
+  "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
   "mime": {:hex, :mime, "1.6.0", "dabde576a497cef4bbdd60aceee8160e02a6c89250d6c0b29e56c0dfb00db3d2", [:mix], [], "hexpm", "31a1a8613f8321143dde1dafc36006a17d28d02bdfecb9e95a880fa7aabd19a7"},
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
   "oauth2": {:hex, :oauth2, "0.9.4", "632e8e8826a45e33ac2ea5ac66dcc019ba6bb5a0d2ba77e342d33e3b7b252c6e", [:mix], [{:hackney, "~> 1.7", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm", "407c6b9f60aa0d01b915e2347dc6be78adca706a37f0c530808942da3b62e7af"},
-  "parse_trans": {:hex, :parse_trans, "3.3.1", "16328ab840cc09919bd10dab29e431da3af9e9e7e7e6f0089dd5a2d2820011d8", [:rebar3], [], "hexpm", "07cd9577885f56362d414e8c4c4e6bdf10d43a8767abb92d24cbe8b24c54888b"},
+  "parse_trans": {:hex, :parse_trans, "3.4.1", "6e6aa8167cb44cc8f39441d05193be6e6f4e7c2946cb2759f015f8c56b76e5ff", [:rebar3], [], "hexpm", "620a406ce75dada827b82e453c19cf06776be266f5a67cff34e1ef2cbb60e49a"},
   "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], [], "hexpm", "fec8660eb7733ee4117b85f55799fd3833eb769a6df71ccf8903e8dc5447cfce"},
-  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.6", "cf344f5692c82d2cd7554f5ec8fd961548d4fd09e7d22f5b62482e5aeaebd4b0", [:make, :mix, :rebar3], [], "hexpm", "bdb0d2471f453c88ff3908e7686f86f9be327d065cc1ec16fa4540197ea04680"},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "temp": {:hex, :temp, "0.4.7", "2c78482cc2294020a4bc0c95950b907ff386523367d4e63308a252feffbea9f2", [:mix], [], "hexpm", "6af19e7d6a85a427478be1021574d1ae2a1e1b90882586f06bde76c63cd03e0d"},
-  "tesla": {:hex, :tesla, "1.4.3", "f5a494e08fb1abe4fd9c28abb17f3d9b62b8f6fc492860baa91efb1aab61c8a0", [:mix], [{:castore, "~> 0.1", [hex: :castore, repo: "hexpm", optional: true]}, {:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: true]}, {:finch, "~> 0.3", [hex: :finch, repo: "hexpm", optional: true]}, {:fuse, "~> 2.4", [hex: :fuse, repo: "hexpm", optional: true]}, {:gun, "~> 1.3", [hex: :gun, repo: "hexpm", optional: true]}, {:hackney, "~> 1.6", [hex: :hackney, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:jason, ">= 1.0.0", [hex: :jason, repo: "hexpm", optional: true]}, {:mime, "~> 1.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.0", [hex: :mint, repo: "hexpm", optional: true]}, {:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "e0755bb664bf4d664af72931f320c97adbf89da4586670f4864bf259b5750386"},
+  "tesla": {:hex, :tesla, "1.8.0", "d511a4f5c5e42538d97eef7c40ec4f3e44effdc5068206f42ed859e09e51d1fd", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: true]}, {:finch, "~> 0.13", [hex: :finch, repo: "hexpm", optional: true]}, {:fuse, "~> 2.4", [hex: :fuse, repo: "hexpm", optional: true]}, {:gun, ">= 1.0.0", [hex: :gun, repo: "hexpm", optional: true]}, {:hackney, "~> 1.6", [hex: :hackney, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.2", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:jason, ">= 1.0.0", [hex: :jason, repo: "hexpm", optional: true]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.0", [hex: :mint, repo: "hexpm", optional: true]}, {:msgpax, "~> 2.3", [hex: :msgpax, repo: "hexpm", optional: true]}, {:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "10501f360cd926a309501287470372af1a6e1cbed0f43949203a4c13300bc79f"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.0", "bc84380c9ab48177092f43ac89e4dfa2c6d62b40b8bd132b1059ecc7232f9a78", [:rebar3], [], "hexpm", "25eee6d67df61960cf6a794239566599b09e17e668d3700247bc498638152521"},
 }